I would call it a 181-gon. Keep it simple! Not only is the use of long Greek prefices pretentious, you will only annoy the reader who will probably have to consult a dictionary.
A twelve sided polygon is called a dodecagon.
Some examples are: 5 sided polygon is a pentagon, 6 sided polygon is an hexagon and an 8 sided polygon is an octagon
Well, it is all in personal opinion, but the funniest named polygon would be the 'nonagon' (non-uh-gon), which is a nine-sided polygon.
11
A 9 sided polygon is a Nonagon.
The name of a 5 sided polygon is Pentagon.
The name of a 12 sided polygon is Dodecagon.
A twelve sided polygon is called a dodecagon.
Some examples are: 5 sided polygon is a pentagon, 6 sided polygon is an hexagon and an 8 sided polygon is an octagon
A 38-sided polygon would be named a triacontaoctagon.
octagon
It is called a hexagon.
Well, it is all in personal opinion, but the funniest named polygon would be the 'nonagon' (non-uh-gon), which is a nine-sided polygon.
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