The angles of a pentagon in degrees are x°, (x + 20)°, (x + 40)°, (x + 60)° and (x + 80)° . Measure of the largest angle is

_____ is always a regular polygon.

The number of sides of a regular polygon, if each of its interior angles is 135°, is given by

Find x in the following figure

Each angle of the rectangle measures as

The sum of the angles of a hexagon is

Find the number of sides of a regular polygon whose each exterior angles has a measure of 60° 

A polygon with 10 sides are called

Sum of the angles of exterior angles of a polygon is

If a quadrilateral has two adjacent sides equal and the other two sides equal then it is called