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How many sides does a regular polygon have if the sum of its interior angle measures is 3240?

Updated: 12/9/2022

Wiki User

∙ 14y ago

Best Answer

The formula for the sum of the interior angles for a polygon having n sides = 2n - 4 right angles.

3240 ÷ 90 = 36 right angles : When 2n - 4 = 36 then 2n = 36 + 4 = 40 : n = 20

The regular polygon has 20 sides.

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One exterior angle of a regular polygon measures 36. What is the sum of the polygon's interior angle measures?

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