A 20-sided polygon is called an icosagon.
A 20-sided polygon is called an icosagon. http://www.math.com/tables/geometry/polygons.htm
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.
A 20-sided polygon is called an icosagon.
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.
A 20-sided polygon is called an icosagon. http://www.math.com/tables/geometry/polygons.htm
An Icosagon. It's actually already asked in WikiAnswers.
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 five sided polygon is called a pentagon because pentagon means five sided polygon I think.
A 20 sided polygon is an 'icosagon'