Difference between revisions of "Cube (geometry)"
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| − | + | A '''cube''', or regular '''hexahedron''', is a solid composed of six [[Square (geometry) | square]] [[face]]s. A cube is dual to the regular [[octahedron]] and has [[octahedral symmetry]]. A cube is a [[Platonic solid]]. | |
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| − | A '''cube''', or regular '''hexahedron''', is a solid composed of six [[Square (geometry) | square]] [[face]]s. A cube is dual to the regular [[octahedron]] and has [[octahedral symmetry]]. | ||
==Formulas== | ==Formulas== | ||
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* [[Hexahedron]] | * [[Hexahedron]] | ||
* [[Prism]] | * [[Prism]] | ||
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| + | [[Category:Platonic solids]] | ||
| + | {{stubs}} | ||
Revision as of 18:40, 7 September 2007
A cube, or regular hexahedron, is a solid composed of six square faces. A cube is dual to the regular octahedron and has octahedral symmetry. A cube is a Platonic solid.
Formulas
For a cube with edge-length 
, we have:
- Space diagonal:
- Surface area:
- Volume:
- Radius of circumscribed sphere:
- Radius of sphere tangent to edges:
- Radius of inscribed sphere:
