The name of a 29 sided polygon is Icosikaienneagon.
11
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
Duodecagon <--wrong... a duodecagon is a 12-sided polygon. icosagon is a 20 sided polygon.
The name of a 12 sided polygon is Dodecagon.
A 9999-sided polygon is known as a nonanonacontanonactanonaliagon. Unlike a 9999-sided polygon, a 10000-sided polygon has a much easier name; a myriagon.
A 9 sided polygon is a Nonagon.
nonagon- nine-sided polygon
what is a 50 sided polygon called?
2000 sided polygon
That would depend on what A sided polygon it is.