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Difference between revisions of "Cube"

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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 <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/c/c027/c027220/c0272201.png" /> is its third power <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/c/c027/c027220/c0272202.png" />.
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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