SOLUTION: What is the sum of the measures of the interior angles of a 12-gon?

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Question 289244: What is the sum of the measures of the interior angles of a 12-gon?
Answer by dabanfield(803) About Me  (Show Source):
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There is a theorem that says the the sum of the interior angles of a polygon with n sides is (n-2)*180 so for a 12-gon, n = 12 and we have:
(12-2)*180 = 10*180 = 1800