Cube (Geometry)

Pronunciation: /kyub/ ?
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Manipulative 1: Cube.

A cube is a 3-dimensional geometric figure with straight edges that are all the same length.[1] The faces of a cube are all congruent squares.

Formulas for a Cube
DescriptionFormula
VolumeV = s3
Surface areaS = 6s2

Click on the blue point in manipulative 1 and drag it to change the figure.

Make a Cube

net for a cube.
Figure 2: Net for a cube.

A cube may be made using a net - a flat shape that can be folded into a cube. Click here to see a printable net for a cube with instructions.

Cubes in Nature

Salt crystal cubes magnified 100x.
Figure 3: Salt Crystals.

Ordinary table salt crystals forms naturally into cubes. Figure 3 shows salt crystals magnified 100 times. Figure 4 is a diagram of a salt crystal.

Diagram showing atoms in a salt crystal.
Figure 4: Salt Crystal Diagram.

Cite this article as:
Cube (Geometry). 2010-01-22. All Math Words Encyclopedia. Life is a Story Problem.org. http://www.allmathwords.org/en/c/cube.html.

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Revision History


2010-01-22: Added "References" (McAdams, David.)
2008-12-03: Added text about faces of a cube (McAdams, David.)
2008-10-27: Changed manipulative to geogebra (McAdams, David.)
2008-04-30: Initial version (McAdams, David.)

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