Question

The interior and exterior angles of an regular polygon are in ratio 3:1 . find the number of sides of a polygon

Answer 1

int. angles sum is 180*

and ext. angles sum is 360*

so,

on straight line 180*=3x : 1x

= 180* = 4x

= 45* = x

= int. angle in 3x = 135*

cant possible