The bearing of a point P from another point Q is 310o. If |PQ| = 200m, how far west of Q is P?
A
128.6m
B
153.2m
C
167.8m
D
187.9m
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
cos 40 = \(\frac{x}{200}\)
x - 200 x cosx
= 200 x 0.7660
x = 153.2m
Source: Myschool Past Questions Archive (Record #36281)