In a regular polygon, each interior angle is thrice the exterior angle. The number of sides of the polygon is
Let x be the exterior angle
Interior Angle = 3x
Interior Angle + Exterior Angle = 180°
4x = 180°
X= 180/4
= 45°
So, Exterior Angle = 45°
No. of Sides = 360 / Exterior Angle
= 360 / 45
= 8