SOLUTION: all about sum of the angles in a polygons?

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Question 73982: all about sum of the angles in a polygons?
Answer by jim_thompson5910(21667) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of all of the interior angles of a polygon is given as



For instance if we had a triangle we would have n=3 so
Which verifies the notion that all triangles have angles which add up to 180 degrees.