A 20-sided polygon is called an icosagon. http://www.math.com/tables/geometry/polygons.htm
A 20-sided polygon is called an icosagon.
Duodecagon <--wrong... a duodecagon is a 12-sided polygon. icosagon is a 20 sided polygon.
A 20-sided polygon is an icosagon.(see related link)
The name of a 20 sided polygon is Icosagon.
The name of a 20 sided polygon is Icosagon.
A 20-sided polygon is called an icosagon.
Duodecagon <--wrong... a duodecagon is a 12-sided polygon. icosagon is a 20 sided polygon.
A 20-sided polygon is an icosagon.(see related link)
The name of a 20 sided polygon is Icosagon.
The name of a 20 sided polygon is Icosagon.
The name of a polygon with 20 or more sides is called "n-gon".
Regular 20 sided solid is an icosahedron, so a plane equivalent is presumably an icosagon?
A 20-sided polygon is called an icosagon.(see related link for list)
A 20 sided polygon is an 'icosagon'
N-gon is the name of 13-20 sided polygon.
A polygon with 20 sides is called either a 20-gon or an icosagon.
An icosagon is the name of the 20 sided polygon.