A 2d nine sided shape is called a nonagon.
A nine sided polygon is called a "nonagon"
It is called a nonagon and/or an enneagon. They belong to the greater family of polygons.
Either a nonagon or an enneagon. Whichever floats your boat.
A nine sided shape is called a nonagon.
A nine sided shape or polygon is called a nonagon.
A nine sided POLYGON is called a nonagon. Any plain shape bounded by nine straight sides is a nonagon.
A nine sided two dimensional shape would be called a nonagon. Nona is a common prefix meaning nine of something.
A nine sided shape is called a nonagon.
Nonagon.
Yes, also enneagon.
A nonagon is a nine sided shape.