The measure of each interior angle of a regular polygon is five times the measure of its exterior angle. Find:

(i) measure of each interior angle,

(ii) measure of each exterior angle and

(iii) number of sides in the polygon

The ratio between the interior angle and the exterior angle of a regular polygon is 2 : 1. Find.

(i) each exterior angle of the polygon,

(ii) number of sides in the polygon.

The sum of interior angles of a regular polygon is twice the sum of its exterior angles. Find the number of sides of the polygon.

AB, BC and CD are three consecutive sides of a regular polygon. If angle BAC = 20°, find:

(i) its each interior angle

(ii) its each exterior angle

(iii) the number of sides in the polygon.