Not all polygons have names.
Go to the link below for the names of some of them
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
An icosikaihena is a polygon with 21 sides
The name of a 21 sided polygon is Icosihenagon.
A polygon
The name of a 21 sided polygon is Icosihenagon.
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
An icosikaihena is a polygon with 21 sides
i think it is a 100 - polygon
The name of a 21 sided polygon is Icosihenagon.
The name of a 100 sided polygon is Hectogon.
A polygon
The name of a 100 sided polygon is Hectogon.
A polygon with 21 sides is called an Icosagon.
The names of polygons with sides ranging from 21 to 30 are as follows: a 21-sided polygon is called a icosagon, a 22-sided polygon is a dicosagon, a 23-sided polygon is a tricosagon, a 24-sided polygon is a tetracosagon, a 25-sided polygon is a pentacosagon, a 26-sided polygon is a hexacosagon, a 27-sided polygon is a heptacosagon, a 28-sided polygon is an octacosagon, a 29-sided polygon is a nonacosagon, and a 30-sided polygon is a triacontagon.
So, the Sum of the interior angles for a 21 – sided polygon is equal to 3420°.
A 100 sided polygon may be called a hectogon or hecatontagon, although it is usually referred to as a 100-gon.
The name of a 21 sided polygon is Icosihenagon.