The sum of the interior angle measures of a convex polygon is 1980°

Mathematics
Tutor: None Selected Time limit: 1 Day

Feb 23rd, 2015

the sum of the interior angles of a polygon is 180(n - 2).
so, 180(n-2) = 1980
n-2 = 11
n=13

no. of sides = 13

Feb 23rd, 2015

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Feb 23rd, 2015
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Feb 23rd, 2015
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