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05-03-2019
Mathematics

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Find the sum of interior angles a polygon has with the given number of sides a.9 b.19

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musiclover10045 musiclover10045

05-03-2019

The equation for this is (n-2) x 180

Replace n with the number of sides:

a. 9: (9-2) x 180 = 7 x 180 = 1,260

b. 19: (19-2) x 180 = 17 x 180 = 3,060

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