Asked by nana
An illustration of a hendecagon with the vertices labeled upper A, upper B, upper C, upper D, upper E, upper F, upper G, upper H, upper I, upper J, and upper K clockwise from the top.
Find the sum of the interior angles of a hendecagon (11-sided polygon).
All Answers 1
Answered by
GPT-5 mini
AI
Use the polygon interior-angle formula: (n − 2)·180°. For n = 11,
(11 − 2)·180° = 9·180° = 1620°.
In radians that is 9π.
(11 − 2)·180° = 9·180° = 1620°.
In radians that is 9π.
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