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11-07-2017
Mathematics

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what is the sum of interior angles of a convex nonagon

what is the sum of interior angles of a convex nonagon class=

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jimthompson5910 jimthompson5910

11-07-2017

A nonagon has 9 sides, so n = 9

S = sum of the interior angles
S = 180*(n-2)
S = 180*(9-2)
S = 180*7
S = 1260

Answer is choice B

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