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# How Many Sides Does a Nonagon Have?

**A nonagon, also called an enneagon, is a polygon with nine sides.** The name comes partially from the Latin word for ninth, "nonus."

A nonagon is an uncommon polygon compared to other polygons like hexagons or octagons. A regular nonagon is a shape where all nine sides are the same length, which consequently means that all internal angles are equal at 140 degrees. Along with nine sides, a nonagon has nine vertices and 27 possible diagonals that can be drawn from vertex to vertex. The most closely related polygons are the eight-sided octagon, like a stop sign, and the 10-sided decagon.

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## How Do You Draw a Nonagon?

A: A nonagon is a nine-sided polygon in geometry. The Latin prefix "nonus" means "ninth." Like many polygons, nonagons can be regular or irregular. Regular no... Full Answer >Filed Under: -
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## What Is the Name of a Nine-Sided Polygon?

A: A nine-sided polygon is called a nonagon. Another name for a nine-sided polygon is enneagon. The general accepted names are "n-gon" where n is the number o... Full Answer >Filed Under: -
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## What Is a Nine-Sided Polygon?

A: A nine-sided polygon is commonly called a nonagon. This polygon, which has nine edges, or vertices, is also called an enneagon. The term enneagon is prefer... Full Answer >Filed Under: -
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## What Is a Nine-Sided Shape Called?

A: A nonagon is a closed shape that has nine sides. If it is a regular nonagon, all nine sides are the same length, and all the angles are equal. Full Answer >Filed Under: