Pentahectagon
11
A 9 sided polygon is a Nonagon.
Some examples are: 5 sided polygon is a pentagon, 6 sided polygon is an hexagon and an 8 sided polygon is an octagon
The name of a 18 sided polygon is Octadecagon.
Well, isn't that just a happy little shape! A 500-sided polygon is called a pentahectagon. Just imagine all those lovely angles and sides coming together in perfect harmony to create a beautiful, intricate design. Remember, there are no mistakes in art, just happy little accidents.
I would just call it a 500-sided polygon.
Pentahectagon
There does not appear to be an accepted name for a 500 sided shape. Where a specific name does not exist for a polygon then it is usually referred to by the NUMBER of sides. A 500 sided polygon is referred to as a 500-gon.
Pentacentagon pentahectogon
a pentahectogonr / pentahectogon
11
One billion-sided polygon = GIGAGON
A five sided polygon is called a pentagon because pentagon means five sided polygon I think.
An 11 sided polygon is a hendecagon and a 12 sided polygon is a dodecagon
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
The name of a 12 sided polygon is Dodecagon.