X is due east point of y on a coast. Z is another point on the coast but 6.0km due south of Y. If the distance ZX is 12km, calculate the bearing of Z from X
A
240°
B
150°
C
60°
D
270°
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
Sin\theta = \(\frac{6}{12}\)
Sin\theta = \(\frac{1}{2}\)
\theta = Sin\(^0.5\)
\theta = 30^\circ
Bearing of Z from X, (270 - 30)^\circ = 240^\circ
Source: WAEC / JAMB / NECO Classroom Archive (Record #60735)