1

In triangle $ABC$, angle $A = 57^\circ$, angle $B = 56^\circ$ and side $a = 6$ cm. Work out the length of side $b$, to 1 decimal place.

2

Triangle $ABC$ has $b = 18$ cm, $c = 9$ cm and the included angle $A = 57^\circ$. Work out the perimeter of the triangle, to 1 decimal place.

3

A walker leaves camp ($A$) and walks 13 km to the lake ($B$) on a bearing of $063^\circ$. From the lake the walker turns and walks 12 km to the summit ($C$) on a bearing of $172^\circ$. Work out the bearing of the summit from camp, to the nearest degree.