Algebra
posted by Ruth .
What is the measure of each of the angles of a regular 5 sided polygon?

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 ____ 
That would be 540, correct
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