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Determine the sum of the interior angles of an 18-gon, in degrees.
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Determine the sum of the interior angles of an 18-gon, in degrees.

User Ross Zurowski
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1 Answer

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The sum of the interior angles of any polygon=n-2 (180) degrees. 18-gon a polygon having 18 sides = 2880 degrees.
User Oleg Estekhin
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