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Example: Find the measure of each of the exterior angle of a regular polygon of 5 sides. Solution: Given that, n = 5 sides Each exterior angle of a regular polygon on 'n' sides = 4/n rt.angles or 360/n. = 4/5 * rt.angles = 4/5 * 90 degrees = 4 * 18 degrees = 72 degrees.
Example: Directions: Solve the following probelms. Also write at least ten examples of your own. 
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