SOLUTION: The sum of the measures of the interior angles of a convex polygon is 720degrees. The no. of sides of this polygon is? thanks

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Question 188079: The sum of the measures of the interior angles of a convex polygon is 720degrees. The no. of sides of this polygon is?

thanks
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
(n-2)*180=720(sum of interiror angles) where n is the number of sides
:
n-2=4
:
n=6...so its a hexagon