The 5 interior angles add up to 540 degrees
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A pentagon has five angles, and all of them are less than a right angle. So, the answer is five angles less than a right angle. Math doesn't have to be a Pentagon-level secret, honey.
all together 540
A concave pentagon.
The sum of the five interior angles of ANY pentagon is 540 degrees.If the pentagon is regular, then each angle is 108 degrees.
Just one. Sgt. Major Ron Angle. Fact.