WAEC Mathematics 2000 Question 14

Question 14

Bearings

A tree is 8km due south of a building. Kofi is standing 8km west of the tree. How far is Kofi from the building?

  1. A.4√2km
  2. B.8 km
  3. C.8√2km
  4. D.16 km.
Show the answer and explanation

Answer: C (8√2km)

Explanation

The two 8 km distances are at right angles, so the distance is √(82 + 82) = 8√2 km.