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WAEC Mathematics 2009 Question 27

Question 27

Bearings

Use the diagram to answer this question. If |XY| = 50 m, how far east of X is Y?

Diagram for this question
  1. A.25.5 m
  2. B.40.6 m
  3. C.40.8 m
  4. D.43.3 m
Show the answer and explanation

Answer: D (43.3 m)

Explanation

Y is on a bearing of 060° from X, so the distance east = 50 sin 60° ≈ 43.3 m.