SOLUTION: The measure of each interior angle of a polygon is 3 times the measure of each exterior angle. How many sides does the polygon have?

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Question 364130: The measure of each interior angle of a polygon is 3 times the measure of each exterior angle. How many sides does the polygon have?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
the interior and exterior angles are supplementary

x + 3x = 180 ___ x = 45

the sum of the exterior angles of a polygon is 360

360/45 = 8 ___ this is an octagon