The sum of all interior angles of a regular hexagon is ……….

Each interior angle of a regular decagon is

The sum of all interior angles of a regular polygon is 1080^(@) . What is the measure of each of its interior angles ?

The sum of all the interior angles of a regular polygon is four times the sum of its exterior angles. The polygon is :

What is the sum of all interior angles of a regular (i) pentagon (ii) hexagon (iii) nonagon (iv) polygon of 12 sides ?

The sum of all interior angles of a hexagon is

If the sum of all interior angles of a regular polygon is twice the sum of all its exterior angles, then the polygon is