A nine sided figure.
A nonagon is a 2-dimensional shape and so, by definition, its volume must be 0.
nonagon
Because nonagon means 9 sides
Not a regular nonagon.
A nonagon has nine sides.
Nonagon.
"nonagon" is not a prefix.
A nonagon
A nonagon.
a nonagon
It is a nonagon
A nonagon is a 2D shape so you cannot make a 3D nonagon!