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.
A ten-thousand-sided shape is called a "myriagon." In geometry, it is a polygon with 10,000 sides and 10,000 angles. While it can be mathematically defined, myriagons are typically difficult to visualize due to their complexity, as the shape closely resembles a circle when drawn to scale.
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.