passwella.
Menu

WAEC Mathematics 2021 Question 28

Question 28

Angles and Polygons

Which of the following is not an exterior angle of a regular polygon?

  1. A.66°
  2. B.72°
  3. C.24°
  4. D.15°
Show the answer and explanation

Answer: A (66°)

Explanation

The exterior angle of a regular polygon must divide 360° exactly. 360 ÷ 66 is not a whole number.