SOLUTION: a convex polygon has 20 sides, find the sum of the interior angles.

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Question 859611: a convex polygon has 20 sides, find the sum of the interior angles.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
S = 180(n-2)


S = 180(20-2)


S = 180*18


S = 3,240


So the sum of the interior sides is 3,240 degrees