Katrina G.
asked • 01/14/21Find the sum of the measures of the interior angles of a convex nonagon.
The sum of the measures of the interior angles is ___.
Jon S. answered • 01/14/21
Patient and Knowledgeable Math and English Tutor
A nonagon has nine sides.
The general formula for the sum of the interior angles of a polygon with n sides is (n-2)*180.
Thus, the sum of the measures of the interior angles of a nonagon is (9-2) * 180 = 1260.
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