Question

The ratio of the size of the exterior angle to the interior angle of a regular polygon is 1:3. Determine the number of sides of the polygon and name it.

Answer 1

Ext:Int
   1: 3
1 ext =¼ × 180 =45°
No. of sides = ³⁶⁰/₄₅ = 8 sides
Name-Octagon