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A 5 sided pentagon has exterior angles that add up to 360 degrees and interior angles that add up to 540 degrees
All five of the angles inside a pentagon add up to 540 degrees.If the pentagon is regular, then each interior angle is 108 degrees.
The sum of a pentagon's interior angles is 540 degrees.sum of them is 540 degresseach angle is 180 degrees
Total sum of interior angles of a pentagon: 540 degrees
A regular pentagon has 5 equal sides and 5 equal inside angles that add up to 540 degrees