shadowash91 shadowash91

18-05-2021
Mathematics

contestada

Find the number of diagonals of a polygon of 13 sides.

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trentleestevens trentleestevens

18-05-2021

Answer:

65

Step-by-step explanation:

13(13-3)/2 = 65 diagonals.

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mohanned9i mohanned9i

18-05-2021

n(n-3)/2 is the number of diagonals. Explain in words why this works. A 13-gon would have 13(13-3)/2 = 65 diagonals.

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