P,Q,R,S are four locations on the
same horizontal plane.Q is on a
bearing of 041° from P and the
distance is 40km.
S is 28km from R on a bearing 074°,
R is directly due north of P and
the distance between Q and R is
38km.
(a)the bearing of R from Q
(b)the distance between Q and S
(c)the distance between P and R
|