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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-example-1
User Sherree
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1 Answer

3 votes
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
User Jeremy Fortune
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