WAEC Mathematics 2012 Objective — Question 26

Question 26 of 50 from the West African Examinations Council (WAEC) Mathematics 2012 Objective paper, with the correct answer and a full explanation.

The positions of three ships P, Q and R at sea are illustrated in the diagram. The arrows indicate the North direction. The bearing of Q from P is 050° and angle PQR=72°. Calculate the bearing of R from Q.

A. 130°
B. 158°Correct
C. 222°
D. 252°

Explanation

Bearing of R from Q = 180°−22° = 158° (using the angle relationships formed by the bearing of Q from P and the given angle PQR).

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