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It's quite acceptable to call it a 21-agon but what's more important is knowing how to work out its properties

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11y ago

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What is the sum of a 21 sided polygon?

The name of a 21 sided polygon is Icosihenagon.


Twenty one sided polygon?

The name of a 21 sided polygon is Icosihenagon.


What do you call a 21-sided polygon?

icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon


What are the names to polygons from 21 to 30 sides?

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.


21 sided polygon?

An icosikaihena is a polygon with 21 sides


A 21-sided flat figure polygon name is?

a triple heptagon.


What is the name the 12 sided polygon?

The name of a 12 sided polygon is Dodecagon.


What is the name of a eight sided polygon?

A 8 sided polygon is called a octagon.


What name of 21 sided polygon?

Though many polygons have a specific name not all do. It is accepted practice to use the number of sides as the name if one is not assigned (or known). A 21 sided polygon does not have a specific name so could quite reasonably be call a 21-ogon.


What is the name of a 4000-sided polygon?

name of 4000 sided polygon


What is the name of a 21 side polygon?

The term for a 21 sided polygon is an icosikaihenagon. Icosi is the Greek for the numerical 20 and henagon means 1.


Name of a ten sided polygon?

The name of a 10 sided polygon is Decagon.