A five-sided polygon is called a pentagon.
A 39 sided polygon is called a 39-gon.
A thousand-sided polygon is a chiliagon.
a hectoenneagon is a 109 sided polygon
The name of a 18 sided polygon is Octadecagon.
hectoenneagon
A five sided polygon is called a pentagon because pentagon means five sided polygon I think.
A million-sided polygon is called a megagon.
A 12-sided polygon is called a dodecagon.
A 20-sided polygon is called an icosagon.
A 25 sided polygon is called a icosikaipentagon.
A 14 sided polygon is called a tetradecagon.
A 90-sided polygon is called an enneacontagon.
A five-sided polygon is called a pentagon.
A 13 sided polygon is called a Tridecagon also a Triskaidecagon.
what is a 50 sided polygon called?
2000 sided polygon