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4 February, 22:16

What is the sum of the measures of the interior angles of a regular polygon if each angle measures 72

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  1. 4 February, 22:23
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    540 degrees.

    Step-by-step explanation:

    I assume that 72 degrees is the measure of an exterior angle. This is the case in a pentagon because 360 / 72 = 5.

    So each interior angle measures 180 - 72 = 108 degrees.

    The sum of the interior angles = 5 * 108 = 540 degrees.
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