WAEC Mathematics 1992 Question 37

Question 37

Bearings

Points X and Y are respectively 12m North and 5m East of point Z. Calculate XY.

  1. A.7m
  2. B.12m
  3. C.13m
  4. D.17m
  5. E.18m
Show the answer and explanation

Answer: C (13m)

Explanation

The angle at Z is 90°, so XY = √(122 + 52) = √169 = 13 m.