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WAEC Mathematics 2023 Question 38

Question 38

Bearings

John was facing S35°E. If he turned 90° in the anticlockwise direction, find his new direction.

  1. A.N55°E
  2. B.S55°E
  3. C.S35°W
  4. D.N35°W
Show the answer and explanation

Answer: A (N55°E)

Explanation

S35°E is a bearing of 145°. Turning 90° anticlockwise takes it to 145° − 90° = 055°, which is N55°E.