SOLUTION: how many sides has a polygon whose interior angles are 108° each?

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Question 1038036: how many sides has a polygon whose interior angles are 108° each?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The external angles are 72 degrees.
The external angles add up to 360 degrees, and that occurs if there are 5 of them.
360/72=5
It is a pentagon.