Because nonagon means 9 sides
a nine sided polygon is called a nonagon.
It's Called a Nonagon.
nonagon
Nonagon.
It is called a nonagon and/or an enneagon. They belong to the greater family of polygons.
a nonagon ~I'm serious that's what it's called~
A regular nonagon.
It is a nonagon. It need not be a regular nonagon.
Nonagon.
-7
A nine sided POLYGON is called a nonagon. Any plain shape bounded by nine straight sides is a nonagon.
a nonagon