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GCE Mathematics 1990 Question 43

Question 43

Bearings

The bearing of a point X from a point Y is 074°. What is the bearing of Y from X?

  1. A.106°
  2. B.148°
  3. C.164°
  4. D.254°
  5. E.286°
Show the answer and explanation

Answer: D (254°)

Explanation

The back bearing differs by 180°: 074° + 180° = 254°.