Posted by Ruth on Friday, September 13, 2013 at 11:34pm.
What is the measure of each of the angles of a regular 5 sided polygon?

Algebra  Graham, Saturday, September 14, 2013 at 5:29am
The sum of interior angles in a triangle add up to 180°.
A regular 5 sided polygon can be divided into three triangles.
So the sum of its interior angles is three times that.
There are five interior angles. Thus when the polygon is regular, each interior angle is ____ 
Algebra  Ruth, Saturday, September 14, 2013 at 9:51am
That would be 540, correct