Best Answer

An icosahedron is a regular polyhedron with 20 equilateral triangle faces.

Q: What is the name of a 20 face shape?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

A triangle.

pyramid

It is called a cone.

Well, any shape with a triangular face. I assume that you mean a shape that only has (identical) triangles for faces. There are 2: the tetrahedron with 4 triangles, and the icosahedron with 20 triangles. * * * * * What about a triangular dipyramid? Two triangular pyramids stuck together along one face?

In geometry, an icosahedron is a regular polyhedron with 20 identical equilateral triangular faces.

Related questions

the name of a 20 sided 3d shape is called a icosahedron

An Octagon

You take a look at what 2-D shape the face is, and then that's the name of the face.

One option would be hemidisc.

No. Every solid shape has at least one face. The closest you will get is a sphere, which has no edges or vertices, but it still has a face.

An icosagon is the name of the 20 sided polygon.

A triangle.

A face value in maths is the out-side of the shape, as to say the face of a shape. The face value is the sides of a shape.

It is a triangular prism

It is called a cone.

pyramid

Well, any shape with a triangular face. I assume that you mean a shape that only has (identical) triangles for faces. There are 2: the tetrahedron with 4 triangles, and the icosahedron with 20 triangles. * * * * * What about a triangular dipyramid? Two triangular pyramids stuck together along one face?