passwella.
Menu

WAEC Mathematics 1998 Question 17

Question 17

Latitude and Longitude

The radius of a geographical globe is 60cm. Find the length of the parallel of Latitude 60°N.

  1. A.66πcm
  2. B.60πcm
  3. C.30πcm
  4. D.15πcm
  5. E.6πcm.
Show the answer and explanation

Answer: B (60πcm)

Explanation

Radius of the parallel = 60 cos 60° = 30 cm, so its length = 2π × 30 = 60π cm.