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A 20-sided polygon is called an icosagon. http://www.math.com/tables/geometry/polygons.htm

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What is a 20-sided polygon called?

A 20-sided polygon is called an icosagon.


What is the names of shapes with 13 to 20 sides?

Shapes with 13 to 20 sides are known as polygons. Specifically, a 13-sided polygon is called a tridecagon, a 14-sided polygon is called a tetrakaidecagon, a 15-sided polygon is called a pentadecagon, a 16-sided polygon is called a hexadecagon, a 17-sided polygon is called a heptadecagon, an 18-sided polygon is called an octadecagon, a 19-sided polygon is called an enneadecagon, and a 20-sided polygon is called an icosagon.


What is the name of 20 sided of polygon?

An Icosagon. It's actually already asked in WikiAnswers.


How many vertices would there be if you had a 20-sided polygon?

A 20-sided polygon is called an icosagon. In geometry, a polygon with n sides has n vertices. Therefore, a 20-sided polygon would have 20 vertices. Each vertex represents a point where two sides of the polygon intersect.


What is a 20 sided polygon?

Duodecagon <--wrong... a duodecagon is a 12-sided polygon. icosagon is a 20 sided polygon.


What is the name for a 20 sided polygon?

A 20-sided polygon is an icosagon.(see related link)


What is a 638 sided polygon called?

The name of a polygon with 20 or more sides is called "n-gon".


How do you draw a 20 sided polygon?

The name of a 20 sided polygon is Icosagon.


What are the angles of a 20 sided polygon?

The name of a 20 sided polygon is Icosagon.


What is a 20 sided shape called?

Regular 20 sided solid is an icosahedron, so a plane equivalent is presumably an icosagon?


What is a 20 sided polygon called?

A 20-sided polygon is called an icosagon.(see related link for list)


What is the name of 20 polygon?

A 20 sided polygon is an 'icosagon'