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Pentagon - Wikipedia


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


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


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 ...


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


Polygons - Polygon basics - In Depth - Math.com


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.

www.ask.com/youtube?q=How Many Degrees Are In A Pentagon&v=jvFKoOKkE5E
Oct 4, 2013 ... Subscribe Now: http://www.youtube.com/subscription_center?add_user= ehoweducation Watch More: http://www.youtube.com/ehoweducation ...

Interior Angles of Polygons - Math is Fun


The Interior Angles of a Quadrilateral add up to 360°. Because there are 2 triangles in a square ... interior angles 90 (45,45) 90 (45,45). The interior angles in a ...

Is 360 degrees for all polygons ? | Khan Academy


Nope! As Sal told at 3:25 it will work for any Convex Polygon, it is clear theat it is only liable for Convex Polygons. Notice, he didn't said that is for all polygons.