# Difference between revisions of "Cube"

From Encyclopedia of Mathematics

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One of the five types of regular polyhedra; it has 6 square faces, 12 edges and 8 vertices from each of which emanate 3 edges (which are perpendicular to one another). The cube is sometimes called a hexahedron. | One of the five types of regular polyhedra; it has 6 square faces, 12 edges and 8 vertices from each of which emanate 3 edges (which are perpendicular to one another). The cube is sometimes called a hexahedron. | ||

− | The cube of a number | + | The cube of a number $a$ is its third power $a^3$. |

## Latest revision as of 15:36, 9 April 2014

One of the five types of regular polyhedra; it has 6 square faces, 12 edges and 8 vertices from each of which emanate 3 edges (which are perpendicular to one another). The cube is sometimes called a hexahedron.

The cube of a number $a$ is its third power $a^3$.

**How to Cite This Entry:**

Cube.

*Encyclopedia of Mathematics.*URL: http://encyclopediaofmath.org/index.php?title=Cube&oldid=12242