Centrinogon
it is a called a chiliagon
myriagon
Decemyriagon
A one thousand sided regular polygon is called a chiliagon.chiliagon (a polygon with 1000 sides)
it is called a seven sided shape in Canada
A thousand-sided polygon is a chiliagon.
The 22 sided shape is called a: ICOSIKAIDIGON
Hommasquabblelagagon
A 90 sided shape is called Enneacontagon.
A five-sided shape is called a pentagon.
a 4 sided shape is called a quadrilateral
A seven sided shape is called a heptagon.