SOLUTION: How many sides does a polygon have if the sum of the measures of the interior angles is 3960°?

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Question 553077: How many sides does a polygon have if the sum of the measures of the interior angles is 3960°?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
S = 180(n-2)


3960 = 180(n-2)


3960/180 = n-2


22 = n-2


22 + 2 = n


24 = n


n = 24


So there are 24 sides