A nine sided two dimensional shape would be called a nonagon. Nona is a common prefix meaning nine of something.
A nine sided shape or polygon is called a nonagon.
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A nonagon
It is called a nonagon and/or an enneagon. They belong to the greater family of polygons.
Nonagon
a 2d nonagon
A 2D shape with 9 sides is called a Nonagon.
There are two different names commonly used for a 9 sided figure: a nonagon or, an enneagon.
nonagon
A nine sided shape or polygon is called a nonagon.
A nine sided shape is called a nonagon.
-7
A nonagon
It is called a nonagon and/or an enneagon. They belong to the greater family of polygons.
Nonagon
A nine sided shape is called a nonagon.
nonahedron