1.

 In the diagram, C, D and E are three points on level ground.

Find the bearing of (a) D from C , (b) E from C, (c) D from E.

 

 Two ships, A and B are passing through a lighthouse T. Ship B is 15 km on a

 bearing of from T. Ship A is on a bearing of from T and from ship B.

Find  (a) the distance between ship A and ship B,  (b) the distance between ship A and T.