how many interior diagonals does a regular nine-sided polygon have? (an interior diagonal is a segment connecting two vertices which do not have an edge between them.)

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asked Mar 3, 2024 230k views

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how many interior diagonals does a regular nine-sided polygon have? (an interior diagonal is a segment connecting two vertices which do not have an edge between them.)

Mathematics
high-school

Abdul Rehman Janjua asked

by Abdul Rehman Janjua

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Explanation:

Diagonals of a polygon number = n (n-3) / 2

9 (9-3) / 2 = 27 diagonals in 9-sided polygon

Ken Mueller answered Mar 9, 2024

by Ken Mueller

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