SOLUTION: what is the measure of a nine sided regular plygon
Algebra.Com
Question 42867: what is the measure of a nine sided regular plygon
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
The interior angle of a nine-sided polygon can be found by
180(n-2) / n =
180(9-2) / 9 =
140 degrees
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