Sum OF all interior angle OF convex polygon ||Basic and Concept OF Interior Angle and illustration

Sum of interior angles of polygon

Some of the interior angle of the polygon is

The sum of all interior angles of a hexagon is

The angle sum of all interior angles of a convex polygon of sides 7 is

Can the exterior angle of a polygon be three times its interior angle?

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

Prove that the sum of the interior angles of an octagon is twice the sum of interior angles of a pentagon

The sum of all interior angles of a regular convex polygon is 1440^(@) . The measure of each of its interior angles is