The sum of the interior angles of any polygon is (n-2)180 since a protagonist has 5 sides the sum is (5-2)180=540 there are five equal interior angles in a regular pentagon so each is 540/5 = 108 degrees
Amy C.
asked • 05/28/19What is the measure of each interior angle of a regular pentagon?
The answers include 36°, 72°, 108°, 120°, 144°
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