Q:
# Is a cube a polygon?

**A cube is a three-dimensional solid, more properly called a polyhedron.** It is made up of six congruent square faces all set at perpendicular angles. It is one of the five convex polyhedrons known as the Platonic solids.

The other Platonic solids are the tetrahedron, the octahedron, the dodecahedron and the icosahedron. These are the only convex polyhedrons made up entirely of congruent, regular polygonal faces. The faces of the dodecahedron are all regular pentagons, while the faces of the tetrahedron, octahedron and icosahedron are equilateral triangles. The Platonic solids are sometimes used as dice because their symmetry assures that there is an equal chance of the die landing on any face.

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Q:
## How do you make a tetrahedron with paper?

A: A tetrahedron is a four-faced polyhedron, or three-dimensional shape, created with triangles. The triangles in a tetrahedron are usually equilateral. To ma... Full Answer >Filed Under: -
Q:
## What is a pyramid?

A: A pyramid refers to a polyhedron created by joining a polygonal base to triangular lateral faces. There are several types of pyramids, and each is named af... Full Answer >Filed Under: -
Q:
## What is a 12-faced shape called?

A: A dodecahedron is the name given to a polyhedron made up of 12 equal pentagons. It is one of the five Platonic solids: a group of regular, convex polyhedro... Full Answer >Filed Under: -
Q:
## How are a cube and a rectangular prism different?

A: The difference between a rectangular prism and a cubic prism is in the equality of the faces of the prism. All sides of a cubic prism are equal, while a re... Full Answer >Filed Under: