A polygon has as many vertices as it has sides and so in this case it will have 20 vertices.
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)
18. If a polygon has n sides, then it has n-2 triangles.There are 18 triangles in a 20 sided polygon.
The name of a 20 sided polygon is Icosagon.
A polygon has as many vertices as it has sides and so in this case it will have 20 vertices.
20 of them.
Polygons have the same number of vertexes/vertices as the sides. So, A 20 sided polygon will have 20 vertexes/vertices.
20, because a polygon has the same number of sides and vertices.
An icosagon is a 20 sided polygon that has 20 vertices which is the plural of vertex
There are many options. Some of these are: A pyramid with a base that is a 19 sided polygon; A dipyramid with a "centre" that is an 18 sided polygon; A prism with decagonal bases.
It has 20 vertices.
20
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)
18. If a polygon has n sides, then it has n-2 triangles.There are 18 triangles in a 20 sided polygon.
The name of a 20 sided polygon is Icosagon.