SOLUTION: The measure of each exterior angle of a regular polygon is (2/3) that of an interior angle. How many sides does the regular polygon have?
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Question 520800: The measure of each exterior angle of a regular polygon is (2/3) that of an interior angle. How many sides does the regular polygon have?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
I + (2/3)I = 180
I = 108 degs (internal angles)
ext angle = 72 degs
360/72 = 5 sides
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