SOLUTION: a convex polygon has 20 sides, find the sum of the interior angles.
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Question 859611
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a convex polygon has 20 sides, find the sum of the interior angles.
Answer by
jim_thompson5910(35256)
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S = 180(n-2)
S = 180(20-2)
S = 180*18
S = 3,240
So the sum of the interior sides is
3,240 degrees