31-10-2017
Mathematics

contestada

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

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Kalahira Kalahira

11-11-2017

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

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