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The measure of an exterior angle of a regular polygon is 72 degrees. Find the measure of an interior angle.
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The measure of an exterior angle of a regular polygon is 72 degrees. Find the measure of an interior angle.

User Lars Truijens
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Exterior angle of a polygon = 72 degrees Polygon has 5 sides. Interior angle = 180 (n-2) / n = 180 (5-2) / 5 = 108 degrees
User Rafael Companhoni
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