A traveler moves from a town P on a bearing of 055° to a town Q, 200km away...

A traveler moves from a town P on a bearing of 055° to a town Q, 200km away. He then moves from Q on a bearing of 155° to a town R, 400km from Q. Find;

a)  the distance between P and R,

b) the bearing of P from R. Correct to nearest degree.

Solution;