### Which Polygon Has An Interior Measure Of 900°?

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• 105 Heptagon The polygon whose inner angle total equals 900 degrees is a heptagon.

#### What polygon has a 900-degree interior?

Today’s material on 2D polygon shapes is provided by KidsMathGamesOnline (with graphics from Google!). – A polygon is a two-dimensional planar shape with at least three straight sides and angles. A regular polygon has sides and angles that are all of the same length. A square is a four-sided polygon whose internal angles equal 360 degrees. Additionally, a square is a form of quadrilateral. A pentagon is a five-sided polygon with 540-degree inner angles. Regular pentagons have parallel sides and interior angles of 108 degrees. The Pentagon is the headquarters of the United States Department of Defense. The edible plant okra has a pentagon form. A hexagon is a six-sided polygon with 720-degree internal angles. Regular hexagons have equal-length sides and 120-degree interior angles. Hexagonal cells make up a beehive. A heptagon has seven sides and internal angles totaling 900 degrees. Regular heptagons have parallel sides and interior angles measuring 128.57 degrees. The 50 and 20 penny coins in Great Britain are curved heptagons. An octagon is a polygon with eight sides and internal angles totaling 1080 degrees. Regular octagons have equal-length sides and interior angles of 135 degrees. A nonagon is a polygon with nine sides whose internal angles total 1260 degrees. Nonagons that are regular have equal-length sides and interior angles of 140 degrees. A decagon is a polygon with 10 sides and interior angles totaling 1440 degrees. Regular decagons have equal-length sides and interior angles of 144 degrees.

There is no polygon whose angle total equals 1600 degrees. The polygon with a total angle sum of 900 degrees has seven sides.