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icang [17]
3 years ago
6

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

Mathematics
1 answer:
Gnom [1K]3 years ago
4 0

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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