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The sum of the interior angles of a pentagon = (5-2)*180 = 540 degrees. IF the pentagon is regular, then each of its interior angle is the same. In that case, each will be 540/5 = 108 degrees.
The sum of interior and exterior angle = 180. The interior angle of a regular pentagon = (n-2)x180 / n = (5-2)x180/5 = 108 The exterior angle = 180 - 108 = 72 The interior angle is 35 degrees greater than exterior angle.
If it is a regular 5 sided pentagon then each interior angle is 108 degrees
Each exterior angle: 72 degrees Each interior angle: 108 degrees
One interior angle of a regular 5 sided pentagon measures 108 degrees.