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What is the sum of the measures in degrees of the interior angles of a 20 sided poylgon?
Wiki User
∙ 13y ago
The sum of the interior angles in a n-sided polygon is (n-2) x 180o.
For a 20 sided polygon:
sum_interior_angles = (20 - 2) x 180o
= 18 x 180o
= 3240o.
Wiki User
∙ 13y ago
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