two ships p and q left a

Question

port at the same time. q sailed on a
bearing of 150 while p sailed on the
north side of q. after a distance of
8km and 10km by pand q
respectively, their distance apart
was 12km. find the bearing of p
and r

Answer 1

who is r?

If x is the angle between p and q, then

12^2 = 8^2+10^2-160cos(x)

Now subtract x from q's heading (not bearing!)

Answer 2

067degree

Answer 3

067.2

Answer 4

show me the steps and the working