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# How many faces on a polyhedra?

Updated: 10/24/2022

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14y ago

Many, an unspecified number. Poly, in Greek, means many. Polyhedra (singular polyhedron) means "many faced".

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14y ago

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Q: How many faces on a polyhedra?
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### What are the faces on a polyhedra called?

They are called "faces".

### What kind of polyhedra has more faces than vertices?

Bipyramids are a class of polyhedra with more faces than vertices.

### What 3D shape has some triangular faces?

There are infinitely many polyhedra with one or more triangular faces.

### What shape has flat faces?

There are many. All polyhedra have ONLY flat faces but many other shapes have flat faces such as a hemisphere or an octant or a cylinder.

### Which 3 dimensional figure has faces that are always congruent and the same shape?

There are a few families of polyhedra with identical faces. There are none whose faces have 6 or more sides. There is no special name for polyhedra whose faces are pentagons or pentagrams. A dodecahedron is an example. If coplanar faces are disallowed, the only polyhedron with quadrilateral faces are the cube and rhombohedron. There are infinitely many polyhedra with equilateral triangular faces: the tetrahedron, octahedron and icosahedron are examples.

### What shapes have identicle faces?

Regular polyhedra have identical faces.

### What has all triangular faces except triangular pyramid?

There are infinitely many polyhedra all of whose faces are triangular.

### How many faces do stellated polyhedra have?

The simplest stellated polyhedral shape is the stellated tetrahedron with 12 faces (3 * 4) Others have more faces.

### What shape has two opposite identical faces?

A cube, a dodecahedron, an icosahedron amongst regular polyhedra. Many irregular polyhedra, including a prism.

### How many faces does a 3D dodecagon have?

10 * * * * * Polyhedra are named according to the number of faces that they have. So a 3d dodecagon, called a dodecahedron would have 12 faces.

### Is a polyhedron with two parallel congruent faces?

There are infinitely many such polyhedra. A regular dodecahedron, for example.

### How many different polyhedra are there?

There are infinitely many polyhedra. There is no limit to the number of faces that a polyhedron can have. Given any polyhedron, simply cut off one vertex so that you will have a polyhedron with one more face. Also there are several versions of polyhedra with the same number of faces. A hexahedron, for example, can be a parallelepiped or a pentagon based pyramid or a triangular based dipyramid.