yes.
A nonagon
It is a nonagon.
nonagon
nonagon
yes it is
There is no such thing as a nonogon. Its correct name is a nonagon.
Nonagon or Enneagon
nonagon
The name for this polygon is a nonagon,
A nonagon
nonagon
yes.
A nonagon is a 2D shape and there is not a 3D equivalent shape.
Greek
A nonagon
Nonagon is the name of a 9 sided shape. The US Steel Tower in Pittsburgh, Pennsylvania is a nonagon.