Each interior angle of a regular decagon is

The measure of each interior angle of a regular octagon is

Each interior angle of a regular plygon is 144^(@) . Find the interior angle of a regular polygon which has double the number of sides as the first polygon.

Each interior angle of a regular polygon is 108^@ . This polygon is a…………sides

Each interior angle of a regular polygon is 140^(@) . The number sides is :

Each interior angle of a regular polygon is 160^(@) . Find the interior angle of another regular polygon whose number of sides is two-thirds the number of sides of the given polygon.

Each interior angle of a regular polygon is 18^(@) more than eight times an exterior angle. The number of sides of the polygon is

Prove that the interior angle of a regular pentagon is three times the exterior angle of a regular decagon.

Prove that the interior angle of a regular pentagon is three xx the exterior angle of a regular decagon.