1

The diagram shows a sector of a circle with radius $16$ cm and angle $60^\circ$ at the centre. Work out the length of the arc of the sector. Give your answer correct to 3 significant figures. [3]

2

The diagram shows a sector of a circle with radius $4$ cm and angle $60^\circ$ at the centre. Work out the area of the sector. Give your answer correct to 3 significant figures. [3]

3

The diagram shows a sector of a circle with radius $18$ cm and angle $120^\circ$ at the centre. Work out the length of the arc of the sector. Give your answer correct to 3 significant figures. [3]

4

The diagram shows a sector of a circle with radius $13$ cm and angle $80^\circ$ at the centre. Work out the area of the sector. Give your answer correct to 3 significant figures. [3]

5

A sector of a circle has an angle of $36^\circ$ at the centre. What percentage of the area of a semicircle of the same radius is the area of this sector? [2]

6

A sector of a circle has radius $14$ cm. The length of its arc is $66$ cm. Work out the area of the sector. Give your answer correct to 3 significant figures. [3]

7

The diagram shows a sector of a circle with radius $10$ cm and angle $135^\circ$ at the centre. Work out the perimeter of the sector. Give your answer correct to 3 significant figures. [3]