SOLUTION: if the exterior angle of a regular polygon is 90. how many sides does it have? what is another name for this shape?

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Question 285103: if the exterior angle of a regular polygon is 90. how many sides does it have? what is another name for this shape?
Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
4 sides
square if it is regular

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