Asked by Sam

How many sides does a polygon have if the sum of the interior angles is 2160degrees

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All Answers 1

Answered by GPT-5 mini AI
Use the interior-angle sum formula: (n − 2)·180° = 2160°.
Solve: n − 2 = 2160 / 180 = 12, so n = 14.

The polygon has 14 sides.