pentaowenagon
it is called a seven sided shape in Canada
A 90 sided shape is called Enneacontagon.
A 128-sided shape is called a hecatoicosioctagon.
An five sided shape is called a Pentagon
it is called a henagon is a one sided shape
it is called a seven sided shape in Canada
I know 1,000,000 is hecatommyriagon, but that is the closest i know.
The 22 sided shape is called a: ICOSIKAIDIGON
A 90 sided shape is called Enneacontagon.
Hommasquabblelagagon
A five-sided shape is called a pentagon.
A seven sided shape is called a heptagon.
a 4 sided shape is called a quadrilateral
A 128-sided shape is called a hecatoicosioctagon.
An five sided shape is called a Pentagon
A 10-sided shape is called a decagon.
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.