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Find the sum of the interior angle measures of 18-gon
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Find the sum of the interior angle measures of 18-gon

User Scott Forsyth
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Sum of all interior angles = (n - 2) x 180

Sum of all interior angles of a 18-gon = (18 - 2) x 180 = 2880°


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Answer: 2880°
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User IComputerfreak
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