The sum of angles of a polygon is 2160^o. Then number of sides of a polygon is

Calculate the size of each exterior angle in the regular octagon.

The sum of angles of a polygon is 2160^{o .}What is the sum of the angles of a polygon with one more side?

The sum of angles of a polygon is 2700^o. How many sides does it have?

What is the sum of angles of a polygon with 102 sides.

One exterior angle of a regular polygon is  72^o. Calculate the size of each interior angle of that regular polygon.

Which is the third interior angle of the triangle? 

A 10 sided polygon has all its angles equal. How much is each angle?

What is the fourth interior angle of the quadrilateral?

Find the value of x.