WAEC Mathematics 2011 Question 11

Question 11

Angles and Polygons

A regular polygon of n sides has each exterior angle equal to 45°. Find the value of n.

  1. A.6
  2. B.8
  3. C.12
  4. D.15
Show the answer and explanation

Answer: B (8)

Explanation

n = 360° ÷ 45° = 8.