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JAMB Mathematics 2001 Question 31

Question 31

Bearings

The bearings of P and Q from a common point N are 020° and 300° respectively. If P and Q are also equidistant from N, find the bearing of P from Q.

  1. A.320°
  2. B.280°
  3. C.070°
  4. D.040°
Show the answer and explanation

Answer: C (070°)

Explanation

∠PNQ = 80° and NP = NQ, so the base angles are 50°. The bearing of N from Q is 120°; turning 50° towards P gives 120° − 50° = 070°.