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There are 540 degrees in a pentagon.

## Pentagon - Wikipedia

en.wikipedia.org/wiki/Pentagon

In geometry, a pentagon is any five-sided polygon or 5-gon. The sum of the internal angles in a ..... This follows quickly from the knowledge that twice the sine of 18 degrees is the reciprocal gold...

## How many degrees are in a pentagon? | Reference.com

www.reference.com/math/many-degrees-pentagon-b63059f4fbeb633b

The interior of a pentagon has five angles totaling 540 degrees. In a regular pentagon – a polygon with five congruent sides and five congruent angles – each  ...

## Cool math .com - Polygons - Pentagons - properties, interior angles

www.coolmath.com/reference/polygons-05-pentagons

Properties of pentagons, interior angles of pentagons Polygons: Properties of Pentagons. ... So, the sum of the interior angles of a pentagon is 540 degrees.

## The Math Dude : Polygon Puzzle: How Many Degrees Are in a ...

www.quickanddirtytips.com/education/math/polygon-puzzle-how-many-degrees-are-in-a-polygon

Jan 9, 2015 ... How many degrees are in the interior angles of a pentagon? A hexagon? An octagon? Or any polygon? Keep on reading The Math Dude to ...

## Sum of Interior Angles of a Polygon - Regents Exam Prep Center

www.regentsprep.org/regents/math/geometry/gg3/lpoly1.htm

## Polygons - Polygon basics - In Depth - Math.com

www.math.com/school/subject3/lessons/S3U2L1DP.html

The word polygon is a combination of two Greek words: "poly" means many and ... We find that the sum of the interior angles of a quadrilateral is 360 degrees.