It can be hard to remember the names of shapes in math. A Heptagon is a shape with seven sides.
A heptagon is a7 sided 2D shape. Hope that will help
It is an irregular, concave heptagon. But the shape has no special name.
it is called a seven sided shape in Canada
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.
A 128-sided shape is called a hecatoicosioctagon.
An five sided shape is called a Pentagon
A 10-sided shape is called a decagon.