SOLUTION: The sum of the measures of the interior angles of a polygon is 1620°. How many sides does the polygon have?

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Question 537217: The sum of the measures of the interior angles of a polygon is 1620°. How many sides does the polygon have?
Answer by KMST(5328) About Me  (Show Source):
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The sum of the measures of the interior angles of a polygon with n sides is (n-2)1620°.
%28n-2%29180=1260 --> n-2=7 --> n=5