I would call it a 900000-gon. For a large number of side (more than 20), the Greek prefix should only be used for a Greek audience or an audience which you wish to irritate.
it is called a seven sided shape in Canada
Nonahectmegagongon
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 seven sided shape in Canada
Nonahectmegagongon
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.
It is called a megagon. A ∞ sided shape is called an apeirogon.