Cube (geometry): Difference between revisions
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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]]. | 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]]. All edges of cubes are equal to each other. | ||
==Formulas== | ==Formulas== | ||
Revision as of 22:43, 24 January 2016
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. All edges of cubes are equal to each other.
Formulas
has:
- Four space diagonals of length
- Surface area
- Volume
- A circumscribed sphere of radius
- An inscribed sphere of radius
- A sphere tangent to all of its edges of radius
See also
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