WAEC - Mathematics (2022 - No. 19)
An exterior angle of a regular polygon is 22.5°. Find the number of sides.
13
14
15
16
解释
The sum of exterior angles of a polygon is 360°
\(\frac{360}{22.5}\) = 16 sides
The sum of exterior angles of a polygon is 360°
\(\frac{360}{22.5}\) = 16 sides