Q:
# What Is a 12-Faced Shape Called?

**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 polyhedrons made up of congruent, polygonal faces.

The other Platonic solids are the tetrahedron, made up of 4 triangles; the hexahedron, made up of 6 squares; the octahedron, made up of 8 triangles; and the icosahedron, made up of 20 triangles. These shapes have been recognized as special since antiquity. Mathematicians and philosophers have long admired them for their symmetry and mathematical beauty. Role-playing games sometimes use dice made in the shapes of the five Platonic solids.

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Q:
## What Is a 3-D Pentagon Called?

A: Usually when a person refers to a "three-dimensional pentagon," he is referring to a regular dodecahedron. A dodecahedron is a solid made of 12 flat faces,... Full Answer >Filed Under: -
Q:
## How Many Edges Does a Dodecahedron Have?

A: A dodecahedron has 30 edges that are shared by 12 faces. A regular dodecahedron is a three-dimensional shape where all the faces are pentagons. Full Answer >Filed Under: -
Q:
## How Many Faces Does a Dodecahedron Have?

A: A dodecahedron has 12 faces. Each face in a regular dodecahedron is a regular pentagon. A dodecahedron also has 30 edges and 20 vertices, and three edges m... 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: