Cube (geometry)

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:

See also

• Hexahedron
• Prism

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