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Easiteach 1 2 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 y 16 0 4800 1 24 -7 0 1 0 23 5 0 00000589 23 8 0 0000000B 23 1 0 00000079 23 7 0 Times_New_Roman 15 417 457 -170 -206 0 yyyyyg 423 -195 Easiteach 2 3 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 10 16 0 8800 2 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 428 457 -200 -236 0 yyyyyg 434 -225 Easiteach 1 4 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 9 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 428 457 -230 -266 0 yyyyyg 434 -255 Easiteach 1 5 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 8 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 428 457 -260 -296 0 yyyyyg 434 -285 Easiteach 1 6 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 7 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 428 457 -290 -326 0 yyyyyg 434 -315 Easiteach 1 7 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 6 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 428 457 -320 -356 0 yyyyyg 434 -345 Easiteach 1 8 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 5 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 428 457 -350 -386 0 yyyyyg 434 -375 Easiteach 1 9 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 4 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 428 457 -380 -416 0 yyyyyg 434 -405 Easiteach 1 10 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 3 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 428 457 -410 -446 0 yyyyyg 434 -435 Easiteach 1 11 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 2 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 428 457 -440 -476 0 yyyyyg 434 -465 Easiteach 1 12 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 1 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 789 819 -469 -512 0 yyyyyg 795 -499 Easiteach 1 13 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 x 16 0 4800 1 24 -7 0 1 0 23 5 0 00000589 23 8 0 0000000B 23 1 0 00000079 23 7 0 Times_New_Roman 15 129 176 -487 -523 0 yyyyyg 135 -512 Easiteach 3 14 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 -10 16 0 11600 3 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 164 200 -487 -523 0 yyyyyg 170 -512 Easiteach 2 15 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 -9 16 0 7200 2 19 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7200 2 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 404 440 -487 -523 0 yyyyyg 410 -512 Easiteach 2 23 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 -1 16 0 7200 2 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 428 457 -487 -523 0 yyyyyg 434 -512 Easiteach 1 24 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 0 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 473 502 -487 -523 0 yyyyyg 479 -512 Easiteach 1 25 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 1 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 503 532 -487 -523 0 yyyyyg 509 -512 Easiteach 1 26 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 2 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 533 562 -487 -523 0 yyyyyg 539 -512 Easiteach 1 27 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 3 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 563 592 -487 -523 0 yyyyyg 569 -512 Easiteach 1 28 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 4 16 0 4400 1 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 593 622 -487 -523 0 yyyyyg 599 -512 Easiteach 1 29 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 5 16 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16 0 7200 2 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 421 457 -560 -596 0 yyyyyf 427 -585 Easiteach 2 37 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 -3 16 0 7200 2 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 421 457 -590 -626 0 yyyyyf 427 -615 Easiteach 2 38 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 -4 16 0 7200 2 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 421 457 -620 -656 0 yyyyyf 427 -645 Easiteach 2 39 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 -5 16 0 7200 2 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 421 457 -650 -686 0 yyyyyf 427 -675 Easiteach 2 40 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 -6 16 0 7200 2 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 421 457 -680 -716 0 yyyyyf 427 -705 Easiteach 2 41 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 -7 16 0 7200 2 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 421 457 -710 -746 0 yyyyyf 427 -735 Easiteach 2 42 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 -8 16 0 7200 2 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 421 457 -740 -776 0 yyyyyf 427 -765 Easiteach 2 43 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 -9 16 0 7200 2 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 15 410 457 -770 -806 0 yyyyyf 416 -795 Easiteach 3 44 n 0 nny 0 32 0 0 0 0 0 0 0 0 0 -10 16 0 11600 3 19 -5 0 1 0 23 8 0 00000007 23 5 0 00000589 22 363 663 -306 -606 0 yyyyye Outline 45 n 0 n 0 0 0 0 0 n 0 0 43 5 0000000a 22 513 513 -456 -486 0 yyyyye Outline 46 n 0 n 0 0 0 0 0 n 0 0 43 5 00000001 43 2 00000079 43 1 00588800 18 453 513 -444 -468 0 yyyyyd Outline 513 -456 453 -456 47 n 0 n 0 0 0 24 5 00000001 24 2 00000079 18 501 525 -444 -468 0 yyyyyd Outline 513 -456 513 -456 48 n 0 n 0 0 0 24 5 00000001 24 2 00000079 18 511 605 -442 -470 0 yyyyyc Outline 513 -456 603 -456 49 n 0 n 0 0 0 24 5 00000005 24 2 00000079 24 0 ff702800 18 508 608 -439 -473 0 yyyyyb Outline 513 -456 603 -456 50 n 0 n 0 0 0 24 5 0000000a 24 2 00000079 24 0 ff702800 18 586 620 -331 -461 0 yyyyya Outline 603 -456 603 -336 51 n 0 n 0 0 0 24 5 0000000a 24 2 00000079 24 0 0000ff00 18 508 608 -331 -461 0 yyyyy` Outline 603 -336 513 -456 52 n 0 n 0 0 0 24 5 0000000a 24 2 00000079 15 504 553 -330 -412 0 yyyyy_ 510 -392 Easiteach 1 53 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 5 16 0 12400 1 55 -15 0 1 0 23 35 0 US_English 23 5 0 000003A5 15 605 731 -264 -346 0 yyyay^ 611 -326 Easiteach 5 54 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (x,y) 16 0 42400 5 55 -15 0 1 0 23 35 0 US_English 23 5 0 000002AF 19 493 609 -468 -525 0 yyyyy^ Outline 55 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 00000001 24 2 00000079 19 616 734 -384 -438 0 yyyyy] Outline 56 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 00000001 24 2 00000079 15 506 606 -455 -537 0 yyyay] 512 -517 Easiteach 3 57 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 x-2 16 0 32800 3 55 -15 0 1 0 23 4 0 FF702800 23 35 0 US_English 23 5 0 000001D6 15 637 733 -359 -441 0 yyyay\ 643 -421 Easiteach 3 58 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 y-1 16 0 31200 3 55 -15 0 1 0 23 4 0 0000FF00 23 35 0 US_English 23 5 0 000001B5 15 152 410 -19 -101 0 yyyay[ 158 -81 Easiteach 10 59 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Radius = 5 16 0 95200 10 55 -15 0 1 0 23 4 0 01A80000 23 35 0 US_English 23 5 0 00000436 15 485 793 -7 -89 0 yyyayZ 491 -69 Easiteach 12 60 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Centre (2,1) 16 0 114000 12 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 000004E9 15 870 1325 -115 -317 0 yyyyyZ 876 -177 Easiteach 36 61 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 By Pythagoras (x-2) + (y-1) = 5 16 0 132400 13 55 -15 0 1 0 16 14 0 0 55 -15 0 1 0 16 15 173200 21 55 -15 0 1 0 23 35 0 US_English 23 5 0 00000237 15 987 1030 -217 -285 0 yyyayZ 993 -268 Easiteach 1 62 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 9600 1 44 -12 0 1 0 23 8 0 00000010 23 5 0 000001AB 23 35 0 US_English 15 1188 1231 -214 -282 0 yyyayY 1194 -265 Easiteach 1 63 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 9600 1 44 -12 0 1 0 23 8 0 00000010 23 35 0 US_English 23 5 0 000001AB 15 1313 1356 -220 -288 0 yyyayY 1319 -271 Easiteach 1 64 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 9600 1 44 -12 0 1 0 23 8 0 00000010 23 5 0 000001AB 23 35 0 US_English 60 1 0 0 61 57 61 55 60 2 0 0 61 58 61 56 13 0 -1060 1488 0 E:\Sixth_Form\Core1\Circles\circles_-_lesson_1.et nnyn 45 0 1 0 0 1 0 0 n 0 0 FFFFFF00 n 0 65536 0 0 00000000 0 0 0 0 0 UK_English 11 0 0 -1 -1 -1 0 65536  0 0 0 0 11 0 1235 0 0 0 0 0 8 0 1 8 0 0 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 Bullet_list Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 -15 n 15 25 25 yn 20 Chart_text Arial 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Easiteach Comic_Sans_MS 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Heading Arial 100 16 00000000 FFFFFF00 0 120 70859 lynny 120 0 n 20 0 0 yn 20 Hypertext Arial 100 12 FF770000 0000FF00 0 120 1098 lnnyy 120 0 n 0 0 0 nn 20 Junior Arial 100 28 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 20 25 25 yn 20 MyEasiteach Copperplate_Gothic_Bold 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Paragraph Times_New_Roman 100 12 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 15 25 25 yn 20 Question_text Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Spreadsheet_buttons Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Text_selection Arial 100 12 FFFFFF00 A0A0A000 0 120 1098 lynyy 120 0 n 0 0 0 nn 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Algebra_card 0 2 00000000 F0F0F000 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Answer_box 0 2 00000000 EFC2C200 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00000000 0 0 n 21 Selection_tag 0 0 0000DD00 0000DD00 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Shadow 0 2 BBBBBB00 80808000 yny 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Snipping_cross 0 0 00000000 DDDDDD00 nyy 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Table_frame 0 5 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Table_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Text_flows 0 5 88888800 88888800 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Tree_lines 0 10 FF000000 0000FF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Word_builder 0 5 C0C0C000 E8E8E800 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Writing_Frame 0 5 FFFF0000 0096FF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 85 Round l Wingdings -2147483648 100 85 Roman I TimesNewRoman 0 100 85 Number 1. TimesNewRoman 0 100 85 Letter (a) CourierNew 0 80 85 Diamond t Wingdings 0 100 85 Star ¬ Wingdings 0 100 85 Flower | Wingdings 65280 100 85 Hand F Wingdings -2147483648 100 85 Note ! Wingdings -2147483648 100 15 102 1170 -52 -448 0 yyyayg 108 -136 Easiteach 101 1 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 The equation of a circle with centre (a, b) and with radius r is given by:: (x-a) + (y-b) = r 16 0 415600 44 77 -21 0 1 0 16 45 6000 1 55 -15 0 1 0 16 47 272400 31 55 -15 0 1 0 16 79 0 0 55 -15 0 1 0 16 80 365438 21 99 -26 0 1 0 23 35 0 US_English 23 5 0 00000508 23 8 38 0000001C 23 4 39 00008000 23 4 40 FFFFFFFF 23 4 42 00800000 23 4 43 FFFFFFFF 23 8 44 FFFFFFFF 23 4 82 FF702800 23 8 82 00000024 23 4 85 00008000 23 4 86 FF702800 23 4 94 00800000 23 4 95 FF702800 15 509 558 -289 -371 0 yyyayg 515 -351 Easiteach 1 2 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 FF702800 23 35 0 US_English 23 5 0 00000292 15 847 896 -294 -376 0 yyyayg 853 -356 Easiteach 1 3 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 FF702800 23 35 0 US_English 23 5 0 000001A7 15 1027 1076 -300 -382 0 yyyayg 1033 -362 Easiteach 1 4 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 FF702800 23 35 0 US_English 23 5 0 0000027B 15 299 1068 -558 -700 0 yyyayg 305 -620 Easiteach 59 5 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 What is the equation of a circle radius 6 and centre (3,4)? 16 0 297200 32 55 -15 0 1 0 16 33 242800 26 55 -15 0 0 0 23 5 0 000002F5 23 35 0 US_English 15 294 1431 -741 -943 0 yyyyyg 300 -803 Easiteach 96 6 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 What is the radius and centre of a circle given by the equation:- (x - 5) + (y - 11) = 7 16 0 435600 47 55 -15 0 1 0 16 48 158800 17 55 -15 0 0 0 16 66 379676 30 55 -15 0 1 0 23 35 0 US_English 23 5 0 0000047D 15 868 908 -843 -904 0 yyyayg 874 -888 Easiteach 1 7 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 5 0 000000C3 23 35 0 US_English 15 1132 1172 -842 -903 0 yyyayf 1138 -887 Easiteach 1 8 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 5 0 000000C3 23 35 0 US_English 15 1251 1291 -850 -911 0 yyyayf 1257 -895 Easiteach 1 9 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 35 0 US_English 23 5 0 000000C3 19 239 1376 -548 -721 0 yyyyye Outline 10 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 00000001 24 2 00000079 24 1 00ff0000 19 236 1454 -735 -993 0 yyyyye Outline 11 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 00000001 24 2 00000079 24 1 ffff2800 59 10 None nnnnn None 0 None None -1 0 n 0 0 0 0 10 0 0 0 0 0 0 None 0 59 11 None nnnnn None 0 None None -1 0 n 0 0 0 0 11 0 0 0 0 0 0 None 0 13 0 -1060 1488 0 E:\Sixth_Form\Core1\Circles\circles_-_lesson_1.et nnyn 45 0 1 0 0 1 0 0 n 0 0 FFFFFF00 n 0 65536 0 0 00000000 0 0 0 0 0 UK_English 6 0 0 -1 -1 -1 0 65536  0 0 0 0 10 0 1235 0 0 0 0 0 9 0 1 8 0 0 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 Bullet_list Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 -15 n 15 25 25 yn 20 Chart_text Arial 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Easiteach Comic_Sans_MS 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Heading Arial 100 16 00000000 FFFFFF00 0 120 70859 lynny 120 0 n 20 0 0 yn 20 Hypertext Arial 100 12 FF770000 0000FF00 0 120 1098 lnnyy 120 0 n 0 0 0 nn 20 Junior Arial 100 28 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 20 25 25 yn 20 MyEasiteach Copperplate_Gothic_Bold 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Paragraph Times_New_Roman 100 12 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 15 25 25 yn 20 Question_text Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Spreadsheet_buttons Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Text_selection Arial 100 12 FFFFFF00 A0A0A000 0 120 1098 lynyy 120 0 n 0 0 0 nn 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Algebra_card 0 2 00000000 F0F0F000 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Answer_box 0 2 00000000 EFC2C200 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart 0 2 00000000 EFEFEF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Entry_field 0 2 00000000 FFFFFF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 ETRotate 0 0 FF000000 00FF0000 nyn 00 0 yn 0 n nn n 00000000 00000000 0 0 n 21 Filled 0 2 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Group_selection 1 2 C0C0C000 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Markup 0 10 00000000 FFFFFF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Outline 0 2 00000000 FFFFFF00 nyy 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Printer_limits 0 0 A0A0A000 A0A0A000 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Question_box 0 2 00000000 F5C4F700 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Rotation_tag 0 0 00FF0000 00FF0000 yyn 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection 1 0 0000DD00 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection_tag 0 0 0000DD00 0000DD00 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Shadow 0 2 BBBBBB00 80808000 yny 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Snipping_cross 0 0 00000000 DDDDDD00 nyy 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Table_frame 0 5 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Table_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Text_flows 0 5 88888800 88888800 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Tree_lines 0 10 FF000000 0000FF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Word_builder 0 5 C0C0C000 E8E8E800 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Writing_Frame 0 5 FFFF0000 0096FF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 85 Round l Wingdings -2147483648 100 85 Roman I TimesNewRoman 0 100 85 Number 1. TimesNewRoman 0 100 85 Letter (a) CourierNew 0 80 85 Diamond t Wingdings 0 100 85 Star ¬ Wingdings 0 100 85 Flower | Wingdings 65280 100 85 Hand F Wingdings -2147483648 100 85 Note ! Wingdings -2147483648 100 15 289 457 -99 -181 0 yyyayg 295 -161 Easiteach 7 1 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (-6, 8) 16 0 59200 7 55 -15 0 1 0 23 5 0 000000F9 23 35 0 US_English 15 588 735 -99 -181 0 yyyayg 594 -161 Easiteach 6 2 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (8, 6) 16 0 50800 6 55 -15 0 1 0 23 5 0 00000244 23 35 0 US_English 15 472 1267 -101 -183 0 yyyayg 478 -163 Easiteach 36 3 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 are 10cm from the origin 16 0 308000 36 55 -15 0 1 0 23 4 0 3800A800 23 35 0 US_English 23 5 0 0000046D 15 291 1112 -221 -303 0 yyyayg 297 -283 Easiteach 34 4 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 They lie on the circle radius 10cm 16 0 317600 34 55 -15 0 1 0 23 4 0 FF702800 23 35 0 US_English 23 5 0 000003C0 15 241 978 -375 -457 0 yyyyyg 247 -437 Easiteach 28 5 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Applying Pythagoras' Theorem 16 0 284800 28 55 -15 0 1 0 23 4 0 01A80000 23 35 0 US_English 23 5 0 000004AC 15 449 979 -493 -771 0 yyyayg 455 -577 Easiteach 37 6 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (-6) + 8 = 10 8 + 6 = 10 16 0 204800 18 77 -21 0 1 0 16 19 0 0 77 -21 0 1 0 16 20 189200 17 77 -21 0 1 0 23 8 0 0000001C 23 4 0 00588800 23 35 0 US_English 23 5 0 000003DC 15 570 619 -473 -555 0 yyyayf 576 -535 Easiteach 1 7 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 000000BD 15 729 778 -472 -554 0 yyyaye 735 -534 Easiteach 1 8 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 0000013C 15 962 1011 -481 -563 0 yyyaye 968 -543 Easiteach 1 9 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 000000F5 15 931 980 -648 -730 0 yyyaye 937 -710 Easiteach 1 10 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 000000BC 15 692 741 -646 -728 0 yyyayd 698 -708 Easiteach 1 11 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 0000016B 15 497 546 -646 -728 0 yyyayc 503 -708 Easiteach 1 12 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 0000021F 15 100 993 -790 -872 0 yyyayc 106 -852 Easiteach 40 13 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 If a point (x,y) is on the circle then:- 16 0 346000 40 55 -15 0 1 0 23 4 0 3800A800 23 35 0 US_English 23 5 0 000004F9 15 476 918 -897 -1007 0 yyyayc 482 -981 Easiteach 15 14 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 x + y = 10 16 0 168800 15 77 -21 0 1 0 23 8 0 0000001C 23 4 0 00588800 23 35 0 US_English 23 5 0 000003EB 15 524 573 -885 -967 0 yyyayb 530 -947 Easiteach 1 15 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 00000120 15 698 747 -886 -968 0 yyyayb 704 -948 Easiteach 1 16 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 000000B3 15 904 953 -875 -957 0 yyyaya 910 -937 Easiteach 1 17 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 0000009C 13 0 -1060 1488 0 E:\Sixth_Form\Core1\Circles\circles_-_lesson_1.et nnyn 45 0 1 0 0 1 0 0 n 0 0 FFFFFF00 n 0 65536 0 0 00000000 0 0 0 0 0 UK_English 7 0 0 -1 -1 -1 0 65536  0 0 0 0 9 0 1235 0 0 0 0 0 10 0 1 8 0 0 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 Bullet_list Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 -15 n 15 25 25 yn 20 Chart_text Arial 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Easiteach Comic_Sans_MS 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Heading Arial 100 16 00000000 FFFFFF00 0 120 70859 lynny 120 0 n 20 0 0 yn 20 Hypertext Arial 100 12 FF770000 0000FF00 0 120 1098 lnnyy 120 0 n 0 0 0 nn 20 Junior Arial 100 28 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 20 25 25 yn 20 MyEasiteach Copperplate_Gothic_Bold 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Paragraph Times_New_Roman 100 12 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 15 25 25 yn 20 Question_text Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Spreadsheet_buttons Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Text_selection Arial 100 12 FFFFFF00 A0A0A000 0 120 1098 lynyy 120 0 n 0 0 0 nn 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Algebra_card 0 2 00000000 F0F0F000 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Answer_box 0 2 00000000 EFC2C200 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart 0 2 00000000 EFEFEF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Entry_field 0 2 00000000 FFFFFF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 ETRotate 0 0 FF000000 00FF0000 nyn 00 0 yn 0 n nn n 00000000 00000000 0 0 n 21 Filled 0 2 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Group_selection 1 2 C0C0C000 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Markup 0 10 00000000 FFFFFF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Outline 0 2 00000000 FFFFFF00 nyy 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Printer_limits 0 0 A0A0A000 A0A0A000 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Question_box 0 2 00000000 F5C4F700 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Rotation_tag 0 0 00FF0000 00FF0000 yyn 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection 1 0 0000DD00 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection_tag 0 0 0000DD00 0000DD00 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Shadow 0 2 BBBBBB00 80808000 yny 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Snipping_cross 0 0 00000000 DDDDDD00 nyy 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Table_frame 0 5 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Table_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Text_flows 0 5 88888800 88888800 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Tree_lines 0 10 FF000000 0000FF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Word_builder 0 5 C0C0C000 E8E8E800 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Writing_Frame 0 5 FFFF0000 0096FF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 85 Round l Wingdings -2147483648 100 85 Roman I TimesNewRoman 0 100 85 Number 1. TimesNewRoman 0 100 85 Letter (a) CourierNew 0 80 85 Diamond t Wingdings 0 100 85 Star ¬ Wingdings 0 100 85 Flower | Wingdings 65280 100 85 Hand F Wingdings -2147483648 100 85 Note ! Wingdings -2147483648 100 15 628 677 -259 -341 0 yyyayg 634 -321 Easiteach 1 1 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 5 0 00000292 23 35 0 US_English 23 4 0 FF702800 15 801 850 -263 -345 0 yyyayg 807 -325 Easiteach 1 2 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 5 0 0000027B 23 35 0 US_English 23 4 0 FF702800 15 978 1027 -262 -344 0 yyyayf 984 -324 Easiteach 1 3 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 12400 1 55 -15 0 1 0 23 5 0 000001A7 23 35 0 US_English 23 4 0 FF702800 15 141 1446 -32 -398 0 yyyaye 147 -94 Easiteach 106 4 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 The equation of a circle with centre at the origin (0,0) and with radius r is given by:: x + y = r 16 0 508800 56 55 -15 0 1 0 16 57 0 0 55 -15 0 0 0 16 58 272400 31 55 -15 0 1 0 16 90 0 0 55 -15 0 1 0 16 91 327676 15 99 -26 0 1 0 23 5 0 00000508 23 35 0 US_English 23 4 95 FF702800 23 8 95 00000024 15 93 1101 -437 -622 0 yyyaye 99 -498 Easiteach 23 5 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 EG:: x² + y² = 81 16 0 38000 4 55 -15 0 1 0 16 5 396076 18 99 -26 0 1 0 23 35 0 English 23 5 0 00000508 23 4 9 FF702800 23 8 9 00000024 23 8 10 00000020 23 7 10 Comic_Sans_MS 23 8 11 00000024 23 8 16 00000020 23 7 16 Comic_Sans_MS 23 8 17 00000024 15 530 1257 -680 -762 0 yyyaye 536 -741 Easiteach 33 6 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 is a circle radius 9 [ 9² = 81 ] 16 0 283600 33 55 -15 0 1 0 23 4 0 0000FF00 23 5 0 000004A1 23 8 25 00000014 23 7 25 Comic_Sans_MS 92 is 6 0 0 0 0 0 0 0 2 13 0 -1060 1488 0 E:\Sixth_Form\Core1\Circles\circles_-_lesson_1.et nnyn 45 0 1 0 0 1 0 0 n 0 0 FFFFFF00 n 0 65536 0 0 00000000 0 0 0 0 0 UK_English 8 0 0 -1 -1 -1 0 65536  0 0 0 0 8 0 1235 0 0 0 0 0 11 0 1 8 0 0 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 Bullet_list Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 -15 n 15 25 25 yn 20 Chart_text Arial 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Easiteach Comic_Sans_MS 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Heading Arial 100 16 00000000 FFFFFF00 0 120 70859 lynny 120 0 n 20 0 0 yn 20 Hypertext Arial 100 12 FF770000 0000FF00 0 120 1098 lnnyy 120 0 n 0 0 0 nn 20 Junior Arial 100 28 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 20 25 25 yn 20 MyEasiteach Copperplate_Gothic_Bold 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Paragraph Times_New_Roman 100 12 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 15 25 25 yn 20 Question_text Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Spreadsheet_buttons Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Text_selection Arial 100 12 FFFFFF00 A0A0A000 0 120 1098 lynyy 120 0 n 0 0 0 nn 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Algebra_card 0 2 00000000 F0F0F000 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Answer_box 0 2 00000000 EFC2C200 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart 0 2 00000000 EFEFEF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Entry_field 0 2 00000000 FFFFFF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 ETRotate 0 0 FF000000 00FF0000 nyn 00 0 yn 0 n nn n 00000000 00000000 0 0 n 21 Filled 0 2 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Group_selection 1 2 C0C0C000 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Markup 0 10 00000000 FFFFFF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Outline 0 2 00000000 FFFFFF00 nyy 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Printer_limits 0 0 A0A0A000 A0A0A000 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Question_box 0 2 00000000 F5C4F700 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Rotation_tag 0 0 00FF0000 00FF0000 yyn 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection 1 0 0000DD00 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection_tag 0 0 0000DD00 0000DD00 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Shadow 0 2 BBBBBB00 80808000 yny 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Snipping_cross 0 0 00000000 DDDDDD00 nyy 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Table_frame 0 5 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Table_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Text_flows 0 5 88888800 88888800 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Tree_lines 0 10 FF000000 0000FF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Word_builder 0 5 C0C0C000 E8E8E800 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Writing_Frame 0 5 FFFF0000 0096FF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 85 Round l Wingdings -2147483648 100 85 Roman I TimesNewRoman 0 100 85 Number 1. TimesNewRoman 0 100 85 Letter (a) CourierNew 0 80 85 Diamond t Wingdings 0 100 85 Star ¬ Wingdings 0 100 85 Flower | Wingdings 65280 100 85 Hand F Wingdings -2147483648 100 85 Note ! Wingdings -2147483648 100 51 44 844 -47 -847 0 nyynyg 1 n 30 7 12 13 1 1 25 25 -10 -10 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 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4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 4042321920 22 327 777 -184 -634 0 yyyyye Outline 8 n 0 n 0 0 0 0 0 n 0 0 43 5 0000000a 33 532 564 -402 -433 0 nyyaye Outline 32 10 9 n 0 n 0 0 0 0 0 0 7$%Oþÿé'iZþÿÿ3iZþÿœ**aþÿr.ÝlþÿV$ÚeþÿpÝlþÿøFaþÿ$!Zþÿ© !Zþÿ 43 2 00000079 43 1 3800a800 43 5 00000005 15 484 786 -676 -758 0 yyyaye 490 -738 Easiteach 12 10 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Centre (a,b) 16 0 111600 12 55 -15 0 1 0 23 5 0 000004E9 23 35 0 US_English 23 4 0 00588800 15 453 579 -420 -502 0 yyyayd 459 -482 Easiteach 5 11 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (a,b) 16 0 42400 5 55 -15 0 1 0 23 35 0 US_English 23 5 0 00000200 33 664 696 -234 -265 0 nyyayc Outline 32 10 12 n 0 n 0 0 0 0 0 0 7¨$÷þÿé«hÿÿÿ·hÿÿœ®* ÿÿr²ÜÿÿV¨Ù ÿÿpžÜÿÿø¡E ÿÿ$™ ÿÿ©¤ ÿÿ 43 2 00000079 43 1 3800a800 43 5 00000005 15 699 825 -182 -264 0 yyyayb 705 -244 Easiteach 5 13 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (x,y) 16 0 42400 5 55 -15 0 1 0 23 4 0 01A80000 23 35 0 US_English 23 5 0 000002C9 18 553 683 -390 -424 0 yyyyyb Outline 678 -407 558 -407 14 n 0 n 0 0 0 24 5 0000000a 24 2 00000079 24 0 ff702800 18 661 695 -252 -412 0 yyyyya Outline 678 -257 678 -407 15 n 0 n 0 0 0 24 5 0000000a 24 2 00000079 24 0 0000ff00 18 553 683 -252 -412 0 yyyyy` Outline 558 -407 678 -257 16 n 0 n 0 0 0 24 5 0000000a 24 2 00000079 19 689 803 -324 -384 0 yyyyy` Outline 17 n 0 n 0 0 0 0 0 0 0 0 0 0 24 2 00000079 24 5 00000001 19 574 690 -414 -471 0 yyyyy` Outline 18 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 00000001 24 2 00000079 15 587 682 -401 -483 0 yyyay_ 593 -463 Easiteach 3 19 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 x-a 16 0 30800 3 55 -15 0 1 0 23 4 0 FF702800 23 35 0 US_English 23 5 0 000001D6 15 111 363 -173 -255 0 yyyay^ 117 -235 Easiteach 10 20 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Radius = r 16 0 92400 10 55 -15 0 1 0 23 5 0 00000436 23 35 0 US_English 23 4 0 01A80000 15 706 801 -320 -402 0 yyyay^ 712 -382 Easiteach 3 21 n 0 nhy 0 16777248 0 0 0 0 0 0 0 0 0 y-b 16 0 30800 3 56 -14 0 1 0 23 4 0 0000FF00 23 35 0 US_English 23 5 0 00000191 15 695 790 -304 -386 0 yyyay] 701 -366 Easiteach 3 22 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 y-b 16 0 30800 3 55 -15 0 1 0 23 4 0 0000FF00 23 5 0 000001A8 59 2 None nnnnn None 0 None None -1 0 n 0 0 0 0 2 0 0 0 0 0 0 None 0 59 19 None nnnnn None 0 None None -1 0 n 0 0 0 0 19 0 0 0 0 0 0 None 0 60 3 0 0 61 17 61 21 60 4 0 0 61 6 61 5 61 4 61 3 61 2 60 5 0 0 61 18 61 19 13 0 -1060 1488 0 E:\Sixth_Form\Core1\Circles\circles_-_lesson_1.et nnyn 45 0 1 0 0 1 0 0 n 0 0 FFFFFF00 n 0 65536 0 0 00000000 0 0 0 0 0 UK_English 12 0 0 -1 -1 -1 0 65536  0 0 0 0 6 0 1235 0 0 0 0 0 13 0 1 8 0 0 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 Bullet_list Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 -15 n 15 25 25 yn 20 Chart_text Arial 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Easiteach Comic_Sans_MS 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Heading Arial 100 16 00000000 FFFFFF00 0 120 70859 lynny 120 0 n 20 0 0 yn 20 Hypertext Arial 100 12 FF770000 0000FF00 0 120 1098 lnnyy 120 0 n 0 0 0 nn 20 Junior Arial 100 28 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 20 25 25 yn 20 MyEasiteach Copperplate_Gothic_Bold 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Paragraph Times_New_Roman 100 12 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 15 25 25 yn 20 Question_text Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Spreadsheet_buttons Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Text_selection Arial 100 12 FFFFFF00 A0A0A000 0 120 1098 lynyy 120 0 n 0 0 0 nn 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Algebra_card 0 2 00000000 F0F0F000 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Answer_box 0 2 00000000 EFC2C200 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart 0 2 00000000 EFEFEF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Entry_field 0 2 00000000 FFFFFF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 ETRotate 0 0 FF000000 00FF0000 nyn 00 0 yn 0 n nn n 00000000 00000000 0 0 n 21 Filled 0 2 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Group_selection 1 2 C0C0C000 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Markup 0 10 00000000 FFFFFF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Outline 0 2 00000000 FFFFFF00 nyy 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Printer_limits 0 0 A0A0A000 A0A0A000 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Question_box 0 2 00000000 F5C4F700 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Rotation_tag 0 0 00FF0000 00FF0000 yyn 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection 1 0 0000DD00 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection_tag 0 0 0000DD00 0000DD00 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Shadow 0 2 BBBBBB00 80808000 yny 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Snipping_cross 0 0 00000000 DDDDDD00 nyy 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Table_frame 0 5 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Table_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Text_flows 0 5 88888800 88888800 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Tree_lines 0 10 FF000000 0000FF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Word_builder 0 5 C0C0C000 E8E8E800 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Writing_Frame 0 5 FFFF0000 0096FF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 85 Round l Wingdings -2147483648 100 85 Roman I TimesNewRoman 0 100 85 Number 1. TimesNewRoman 0 100 85 Letter (a) CourierNew 0 80 85 Diamond t Wingdings 0 100 85 Star ¬ Wingdings 0 100 85 Flower | Wingdings 65280 100 85 Hand F Wingdings -2147483648 100 85 Note ! Wingdings -2147483648 100 15 205 1267 -35 -117 0 yyyayg 211 -97 Easiteach 43 1 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Working with Circle Equations in other form 16 0 412000 43 55 -15 0 1 0 23 35 0 US_English 23 5 0 00000445 15 124 965 -169 -251 0 yyyyyg 130 -231 Easiteach 35 2 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Consider :- x - 2x + y + 4y + 1 = 0 16 0 329557 35 55 -15 0 1 0 23 4 0 3800A800 23 35 0 US_English 23 5 0 00000527 15 -84 1113 -194 -396 0 yyyayg -78 -256 Easiteach 49 3 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Can it be written as:- (x-a) + (y-b) = r ? 16 0 0 0 55 -15 0 1 0 16 1 0 0 55 -15 0 1 0 16 2 467838 47 55 -15 0 1 0 23 5 0 00000508 23 35 0 US_English 23 8 4 FFFFFFFF 23 4 26 FF702800 23 4 30 00008000 23 4 31 FF702800 23 4 39 00800000 23 4 40 FF702800 23 4 48 FFFFFFFF 15 761 801 -299 -360 0 yyyayg 767 -344 Easiteach 1 4 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 FF702800 23 5 0 00000221 23 35 0 US_English 15 942 982 -302 -363 0 yyyayg 948 -347 Easiteach 1 5 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 FF702800 23 35 0 US_English 23 5 0 00000221 15 1043 1083 -302 -363 0 yyyayg 1049 -347 Easiteach 1 6 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 FF702800 23 5 0 00000221 23 35 0 US_English 15 660 700 -158 -219 0 yyyayf 666 -203 Easiteach 1 7 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 4 0 3800A800 23 8 0 0000000E 23 5 0 00000221 23 35 0 US_English 15 477 517 -155 -216 0 yyyaye 483 -200 Easiteach 1 8 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 4 0 3800A800 23 8 0 0000000E 23 5 0 00000221 23 35 0 US_English 15 147 725 -442 -524 0 yyyaye 153 -504 Easiteach 23 9 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Complete the squares:- 16 0 220800 23 55 -15 0 1 0 23 4 0 FF28B800 23 35 0 US_English 23 5 0 0000050D 15 316 476 -513 -595 0 yyyaye 322 -575 Easiteach 6 10 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 x - 2x 16 0 56800 6 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 00000341 15 838 993 -537 -619 0 yyyaye 844 -599 Easiteach 6 11 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 y + 4y 16 0 54800 6 55 -15 0 1 0 23 4 0 0000FF00 23 35 0 US_English 23 5 0 000001F4 15 346 386 -504 -565 0 yyyayd 352 -549 Easiteach 1 12 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 00588800 23 35 0 US_English 23 5 0 00000193 15 866 906 -521 -582 0 yyyayd 872 -566 Easiteach 1 13 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 0000FF00 23 35 0 US_English 23 5 0 0000016F 15 302 537 -603 -685 0 yyyayd 308 -665 Easiteach 10 14 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (x-1) - 1 16 0 86000 10 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 00000460 15 825 1074 -609 -691 0 yyyayd 831 -671 Easiteach 11 15 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (y + 2) - 4 16 0 91600 11 55 -15 0 1 0 23 4 0 0000FF00 23 35 0 US_English 23 5 0 0000025E 15 420 460 -586 -647 0 yyyayc 426 -631 Easiteach 1 16 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 00588800 23 5 0 00000193 23 35 0 US_English 15 974 1014 -595 -656 0 yyyayc 980 -640 Easiteach 1 17 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 0000FF00 23 5 0 0000016F 23 35 0 US_English 15 154 464 -677 -759 0 yyyyyc 160 -739 Easiteach 12 18 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Substitute:- 16 0 116000 12 55 -15 0 1 0 23 4 0 FF28B800 23 35 0 US_English 23 5 0 00000509 15 300 992 -752 -834 0 yyyayc 306 -814 Easiteach 32 19 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (x-1) - 1 + (y + 2) - 4 + 1 = 0 16 0 268000 32 55 -15 0 1 0 23 4 0 00588800 23 5 0 00000460 23 35 0 US_English 23 4 13 0000FF00 23 4 24 00588800 23 4 25 3800A800 15 421 461 -738 -799 0 yyyayb 427 -783 Easiteach 1 20 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 00588800 23 5 0 00000193 23 35 0 US_English 15 722 762 -732 -793 0 yyyaya 728 -777 Easiteach 1 21 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 0000FF00 23 5 0 0000016F 23 35 0 US_English 15 295 835 -837 -919 0 yyyaya 301 -899 Easiteach 25 22 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (x-1) + (y + 2) - 4 = 0 16 0 207200 25 55 -15 0 1 0 23 4 0 00588800 23 5 0 00000460 23 35 0 US_English 23 4 9 0000FF00 23 4 17 3800A800 15 294 737 -928 -1010 0 yyyaya 300 -990 Easiteach 20 23 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (x-1) + (y + 2) = 2 16 0 168400 20 55 -15 0 1 0 23 4 0 00588800 23 5 0 00000460 23 35 0 US_English 23 4 9 0000FF00 23 4 17 3800A800 15 413 453 -822 -883 0 yyyay` 419 -867 Easiteach 1 24 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 00588800 23 5 0 00000193 23 35 0 US_English 15 411 451 -911 -972 0 yyyay` 417 -956 Easiteach 1 25 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 00588800 23 5 0 00000193 23 35 0 US_English 15 724 764 -913 -974 0 yyyay` 730 -958 Easiteach 1 26 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 00588800 23 5 0 00000193 23 35 0 US_English 15 631 671 -818 -879 0 yyyay_ 637 -863 Easiteach 1 27 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 0000FF00 23 5 0 0000016F 23 35 0 US_English 15 634 674 -910 -971 0 yyyay_ 640 -955 Easiteach 1 28 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 2 16 0 8400 1 39 -10 0 1 0 23 8 0 0000000E 23 4 0 0000FF00 23 5 0 0000016F 23 35 0 US_English 15 1107 1431 -756 -838 0 yyyyy^ 1113 -817 Easiteach 13 29 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Centre (1,-2) 16 0 122400 13 55 -15 0 1 0 23 35 0 US_English 23 5 0 00000150 23 35 10 English 15 1124 1382 -846 -928 0 yyyyy^ 1130 -908 Easiteach 10 30 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Radius = 2 16 0 95200 10 55 -15 0 1 0 23 35 0 US_English 23 5 0 0000013F 19 93 1052 -695 -1033 0 yyyyy] Outline 32 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 00000001 24 2 00000079 19 247 1058 -613 -687 0 yyyyy\ Outline 33 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 00000001 24 2 00000079 24 1 00ffff00 18 203 1271 -101 -135 0 yyyyy[ Outline 203 -123 1271 -113 34 n 0 n 0 0 0 24 5 00000001 24 2 00000079 18 -12 12 12 -12 0 yyyyyZ Outline 0 0 0 0 35 n 0 n 0 0 0 24 5 00000001 24 2 00000079 19 99 1071 -435 -695 0 yyyyyZ Outline 36 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 00000001 24 2 00000079 19 1097 1463 -763 -949 0 yyyyyZ Outline 31 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 00000001 24 2 00000079 24 1 48c8ff00 59 32 None nnnnn None 0 None None -1 0 n 0 0 0 0 32 0 0 0 0 0 0 None 0 59 31 None nnnnn None 0 None None -1 0 n 0 0 0 0 31 0 0 0 2234 0 0 None 0 13 0 -1060 1488 0 E:\Sixth_Form\Core1\Circles\circles_-_lesson_1.et nnyn 45 0 1 0 0 1 0 0 n 0 0 FFFFFF00 n 0 65536 0 0 00000000 0 0 0 0 0 UK_English 13 0 0 -1 -1 -1 0 65536  0 0 0 0 5 0 1235 0 0 0 0 0 14 0 1 8 0 0 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 Bullet_list Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 -15 n 15 25 25 yn 20 Chart_text Arial 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Easiteach Comic_Sans_MS 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Heading Arial 100 16 00000000 FFFFFF00 0 120 70859 lynny 120 0 n 20 0 0 yn 20 Hypertext Arial 100 12 FF770000 0000FF00 0 120 1098 lnnyy 120 0 n 0 0 0 nn 20 Junior Arial 100 28 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 20 25 25 yn 20 MyEasiteach Copperplate_Gothic_Bold 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Paragraph Times_New_Roman 100 12 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 15 25 25 yn 20 Question_text Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Spreadsheet_buttons Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Text_selection Arial 100 12 FFFFFF00 A0A0A000 0 120 1098 lynyy 120 0 n 0 0 0 nn 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Algebra_card 0 2 00000000 F0F0F000 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Answer_box 0 2 00000000 EFC2C200 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart 0 2 00000000 EFEFEF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Entry_field 0 2 00000000 FFFFFF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Filled 0 2 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Group_selection 1 2 C0C0C000 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Markup 0 10 00000000 FFFFFF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Outline 0 2 00000000 FFFFFF00 nyy 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Printer_limits 0 0 A0A0A000 A0A0A000 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Question_box 0 2 00000000 F5C4F700 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Rotation_tag 0 0 00FF0000 00FF0000 yyn 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection 1 0 0000DD00 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection_tag 0 0 0000DD00 0000DD00 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Shadow 0 2 BBBBBB00 80808000 yny 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Snipping_cross 0 0 00000000 DDDDDD00 nyy 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Table_frame 0 5 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Table_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Text_flows 0 5 88888800 88888800 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Tree_lines 0 10 FF000000 0000FF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Word_builder 0 5 C0C0C000 E8E8E800 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Writing_Frame 0 5 FFFF0000 0096FF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 85 Round l Wingdings -2147483648 100 85 Roman I TimesNewRoman 0 100 85 Number 1. TimesNewRoman 0 100 85 Letter (a) CourierNew 0 80 85 Diamond t Wingdings 0 100 85 Star ¬ Wingdings 0 100 85 Flower | Wingdings 65280 100 85 Hand F Wingdings -2147483648 100 85 Note ! 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TimesNewRoman 0 100 85 Letter (a) CourierNew 0 80 85 Diamond t Wingdings 0 100 85 Star ¬ Wingdings 0 100 85 Flower | Wingdings 65280 100 85 Hand F Wingdings -2147483648 100 85 Note ! Wingdings -2147483648 100 15 49 404 -19 -101 0 yyyyyg 55 -81 Easiteach 13 1 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Name the bits 16 0 133600 13 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 0000056C 18 432 1100 -159 -400 0 yyyyyg Outline 437 -164 1095 -395 2 n 0 n 0 0 0 24 5 0000000a 24 2 00000079 24 0 ff702800 22 299 976 -253 -918 0 yyyyyg Outline 3 n 0 n 0 0 0 0 0 n 0 0 43 5 00000005 43 2 00000079 18 294 981 -565 -589 0 yyyyyg Outline 976 -584 299 -570 4 n 0 n 0 0 0 24 5 0000000a 24 2 00000079 24 0 3800a800 18 301 648 -248 -515 0 yyyyyf Outline 643 -253 306 -510 5 n 0 n 0 0 0 24 5 0000000a 24 2 00000079 24 0 0000ff00 22 631 639 -574 -582 0 yyyyyf Outline 6 n 0 n 0 0 0 0 0 n 0 0 43 5 00000005 43 2 00000079 43 1 00000000 18 634 868 -12 -579 0 yyyyye Outline 639 -574 863 -17 7 n 0 n 0 0 0 24 5 0000000a 24 2 00000079 24 0 00588800 15 1011 1220 -290 -372 0 yyyaye 1017 -352 Easiteach 7 8 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Tangent 16 0 76000 7 55 -15 0 1 0 23 4 0 FF702800 23 35 0 US_English 23 5 0 0000018C 18 626 844 -570 -854 0 yyyyye Outline 631 -575 839 -849 9 n 0 n 0 0 0 24 5 0000000a 24 2 00000079 24 0 01a80000 15 853 1042 -51 -133 0 yyyyyd 859 -113 Easiteach 6 10 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Normal 16 0 67600 6 55 -15 0 1 0 23 4 0 00588800 23 35 0 US_English 23 5 0 00000248 19 859 1047 -68 -125 0 yyyyyd Outline 11 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 0000000a 24 2 00000079 24 1 00588800 24 0 00588800 19 1016 1210 -304 -364 0 yyyyyd Outline 12 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 0000000a 24 2 00000079 24 1 ff702800 24 0 00588800 15 597 768 -737 -819 0 yyyayd 603 -799 Easiteach 6 13 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Radius 16 0 60400 6 55 -15 0 1 0 23 4 0 01A80000 23 35 0 US_English 23 5 0 0000034A 15 321 513 -563 -631 0 yyyayc 327 -614 Easiteach 8 14 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Diameter 16 0 69200 8 44 -12 0 1 0 23 8 0 00000010 23 35 0 US_English 23 5 0 00000548 15 453 612 -376 -458 0 yyyyyb 459 -438 Easiteach 5 15 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Chord 16 0 55200 5 55 -15 0 1 0 23 4 0 0000FF00 23 35 0 US_English 23 5 0 000003D8 19 596 756 -749 -810 0 yyyyyb Outline 16 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 0000000a 24 2 00000079 24 1 01a80000 19 326 617 -582 -631 0 yyyyya Outline 17 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 0000000a 24 2 00000079 24 1 3800a800 19 459 615 -397 -451 0 yyyyy` Outline 18 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 0000000a 24 2 00000079 24 1 0000ff00 59 11 None nnnnn None 0 None None -1 0 n 0 0 0 0 11 0 0 0 0 0 0 None 0 59 12 None nnnnn None 0 None None -1 0 n 0 0 0 0 12 0 0 0 0 0 0 None 0 59 16 None nnnnn None 0 None None -1 0 n 0 0 0 0 16 0 0 0 0 0 0 None 0 59 17 None nnnnn None 0 None None -1 0 n 0 0 0 0 17 0 0 0 0 0 0 None 0 59 18 None nnnnn None 0 None None -1 0 n 0 0 0 0 18 0 0 0 0 0 0 None 0 3 nnn 123 0 41 82 1879 1391 0 0 0 0 nnnnnnnnn 1920 1440 0 0 0 0 1 98 FF702800 00000000 2 14 1 C:\Program Files\Research Machines\Easiteach\Skins\graphic.xml1024,768011625199121141210711001461811251761811013013113311502681811021103110511081109111111058936921011065707993121261108356773106111411071115111050818112211231124112613000200420300113002130031300413005130061300713008130091301213014130131310020050031021310313104131051310613107131081310911111320020034032011320513206132071320813209132101330020066033021330313304133051330713308133091331013400509003402134091500035794615100388946110130131133135004214188500550500850319300550420105004049461106004349461101301311331580030266585031 13 0 -1060 1582 0 E:\Sixth_Form\Core1\Circles\circles_-_lesson_1.et nnyn 45 0 1 0 0 1 0 0 n 0 0 FFFFFF00 n 0 65536 0 0 00000000 0 0 0 0 0 UK_English 4 0 0 -1 -1 -1 0 65536  0 0 0 0 3 0 1235 0 0 0 0 0 16 0 1 8 0 0 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 Bullet_list Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 -15 n 15 25 25 yn 20 Chart_text Arial 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Easiteach Comic_Sans_MS 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Heading Arial 100 16 00000000 FFFFFF00 0 120 70859 lynny 120 0 n 20 0 0 yn 20 Hypertext Arial 100 12 FF770000 0000FF00 0 120 1098 lnnyy 120 0 n 0 0 0 nn 20 Junior Arial 100 28 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 20 25 25 yn 20 MyEasiteach Copperplate_Gothic_Bold 100 20 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Paragraph Times_New_Roman 100 12 00000000 FFFFFF00 0 120 70859 lnnyy 120 0 n 15 25 25 yn 20 Question_text Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 15 25 25 yn 20 Spreadsheet_buttons Arial 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 20 25 25 yn 20 Text_selection Arial 100 12 FFFFFF00 A0A0A000 0 120 1098 lynyy 120 0 n 0 0 0 nn 20 Voting Comic_Sans_MS 100 12 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCell Comic_Sans_MS 100 10 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 20 VotingCross Wingdings 100 14 00000000 FFFFFF00 0 120 70859 lnnny 120 0 n 0 0 0 nn 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Algebra_card 0 2 00000000 F0F0F000 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Answer_box 0 2 00000000 EFC2C200 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart 0 2 00000000 EFEFEF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Chart_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Entry_field 0 2 00000000 FFFFFF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 ETRotate 0 0 FF000000 00FF0000 nyn 00 0 yn 0 n nn n 00000000 00000000 0 0 n 21 Filled 0 2 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Group_selection 1 2 C0C0C000 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Markup 0 10 00000000 FFFFFF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Outline 0 2 00000000 FFFFFF00 nyy 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Printer_limits 0 0 A0A0A000 A0A0A000 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Question_box 0 2 00000000 F5C4F700 ynn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Rotation_tag 0 0 00FF0000 00FF0000 yyn 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection 1 0 0000DD00 DDDDDD00 nyy 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Selection_tag 0 0 0000DD00 0000DD00 yny 00 0 nn 0 n nn n 00000000 00000000 0 0 n 21 Shadow 0 2 BBBBBB00 80808000 yny 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Snipping_cross 0 0 00000000 DDDDDD00 nyy 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Table_frame 0 5 00000000 FFFFFF00 yyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Table_grid 0 2 00000000 EFEFEF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 Text_flows 0 5 88888800 88888800 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Tree_lines 0 10 FF000000 0000FF00 nyn 00 5 yn 0 n nn n 00000000 00000000 0 0 n 21 VotingInner 0 2 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 VotingOuter 0 5 FFE0D200 FFE0D200 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Word_builder 0 5 C0C0C000 E8E8E800 yyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 21 Writing_Frame 0 5 FFFF0000 0096FF00 nyn 00 5 nn 0 n nn n 00000000 00000000 0 0 n 85 Round l Wingdings -2147483648 100 85 Roman I TimesNewRoman 0 100 85 Number 1. TimesNewRoman 0 100 85 Letter (a) CourierNew 0 80 85 Diamond t Wingdings 0 100 85 Star ¬ Wingdings 0 100 85 Flower | Wingdings 65280 100 85 Hand F Wingdings -2147483648 100 85 Note ! Wingdings -2147483648 100 18 1013 1038 -684 -1046 0 yyyyyg Outline 1025 -684 1026 -1046 1 n 0 n 0 0 0 24 5 00000001 24 2 00000079 18 1219 1248 -666 -1048 0 yyyyyf Outline 1231 -666 1236 -1048 2 n 0 n 0 0 0 24 5 00000001 24 2 00000079 18 860 1436 -749 -775 0 yyyyyf Outline 860 -763 1436 -761 3 n 0 n 0 0 0 24 5 00000001 24 2 00000079 15 875 1017 -679 -761 0 yyyaye 881 -741 Easiteach 4 4 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 More 16 0 48400 4 55 -15 0 1 0 23 5 0 0000021C 23 35 0 US_English 23 4 0 3800A800 15 1066 1190 -679 -761 0 yyyaye 1072 -741 Easiteach 4 5 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Less 16 0 41200 4 55 -15 0 1 0 23 5 0 00000195 23 35 0 US_English 23 4 0 FF28B800 15 1279 1420 -676 -758 0 yyyayd 1285 -738 Easiteach 5 6 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Equal 16 0 49200 5 55 -15 0 1 0 23 5 0 00000181 23 35 0 US_English 23 4 0 01A80000 15 873 1492 -19 -341 0 yyyayc 879 -81 Easiteach 102 7 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 Use Pythagoras' theorem to decide whether these points are more, less or equal to 10cm from the origin 16 0 236800 23 55 -15 0 1 0 16 24 228800 23 55 -15 0 0 0 16 48 218800 24 55 -15 0 0 0 16 73 220400 22 55 -15 0 0 0 16 96 52400 6 55 -15 0 0 0 23 35 0 US_English 23 4 0 00588800 23 5 0 0000025A 23 4 59 3800A800 23 4 63 00588800 23 4 65 FF28B800 23 4 69 00588800 23 4 73 01A80000 23 4 81 00588800 15 953 1209 -433 -515 0 yyyayc 959 -495 Easiteach 11 8 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (-8.8, 4.2) 16 0 94400 11 55 -15 0 1 0 23 5 0 00000204 23 35 0 US_English 15 1255 1439 -392 -474 0 yyyayb 1261 -454 Easiteach 7 9 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (12,-2) 16 0 65600 7 55 -15 0 1 0 23 5 0 000000C1 23 35 0 US_English 15 1219 1454 -514 -596 0 yyyayb 1225 -576 Easiteach 10 10 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (7.5, 7.5) 16 0 86000 10 55 -15 0 1 0 23 5 0 0000010C 23 35 0 US_English 15 937 1084 -549 -631 0 yyyayb 943 -611 Easiteach 6 11 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (8, 6) 16 0 50800 6 55 -15 0 1 0 23 5 0 00000244 23 35 0 US_English 15 1102 1270 -280 -362 0 yyyaya 1108 -342 Easiteach 7 12 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (8, -3) 16 0 59200 7 55 -15 0 1 0 23 5 0 00000211 23 35 0 US_English 15 951 1119 -344 -426 0 yyyaya 957 -406 Easiteach 7 13 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 (-6, 8) 16 0 59200 7 55 -15 0 1 0 23 5 0 000000F9 23 35 0 US_English 15 144 399 -899 -981 0 yyyaya 150 -961 Easiteach 8 14 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 8²+3²=c² 16 0 94800 8 55 -15 0 1 0 23 4 0 FF28B800 23 5 0 00000529 23 8 1 00000014 23 7 1 Comic_Sans_MS 23 8 4 00000014 23 7 4 Comic_Sans_MS 23 8 7 00000014 23 7 7 Comic_Sans_MS 15 137 909 -959 -1041 0 yyyaya 143 -1021 Easiteach 34 15 n 0 nny 0 16777248 0 0 0 0 0 0 0 0 0 c² = 64 + 9 = 73 c =8.54 < 10 16 0 301600 34 55 -15 0 1 0 23 4 0 FF28B800 23 5 0 00000529 23 8 1 00000014 23 7 1 Comic_Sans_MS 19 141 410 -913 -973 0 yyyyy` Outline 16 n 0 n 0 0 0 0 0 0 0 0 0 0 24 5 0000000a 24 2 00000079 24 1 00ffff00 24 0 ff28b800 19 141 534 -973 -1033 0 yyyyy` Outline 17 n 0 n 0 0 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