What is a nine-sided shape called?

Answer

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.

The sum of the interior angles of a nonagon is 1260 degrees. If it is a regular nonagon, then all nine angles have the same measurement of 140 degrees.

The term "nonagon" was coined during the 17th century from a combination of words. It begins with the Latin word "nonus," which means "nine." The last part of the word "gon" is patterned after Latin and Greek words meaning "angle. " Literally translated, "nonagon" means "nine angles."

Q&A Related to "What is a nine-sided shape called?"
Okay, you are taking me back to elementary school with this one. A nine-sided shape is called a nonagon. Now, you and I both know what it's called!
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A nine sided shape is called a nonagon.
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A one thousand sided regular polygon is called a chiliagon. chiliagon (a polygon with 1000 sides)
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A milligon.
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A 9 sided shape is known as a nanogon. A nanogon is a regular polygon. A polygon is a many sided shape with straight sides in which all the sides and angles are ...
A nine sided polygon is called a nonagon or an enneagon. Nonagon comes has a Latin origin and is a combination of 'ninth' and 'gon. ' Enneagon has a Greek origin ...
A twelve sided shape is called a dodecagon. A regular dodecagon has all sides and angles equal to each other while an irregular dodecagon has unequal sides and ...
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