History of Parallelepiped

	Revision 2 . . September 15, 2001 5:33 am by AxelBoldt
	Revision 1 . . September 15, 2001 5:10 am by (logged).123.179.xxx [*Initial article, very breif, needs more.]

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Difference (from prior major revision) (no other diffs)

Changed: 1c1

Any 3-dimensional six sided figure that has parallelograms for faces.

A parallelepiped, also called parallelopiped, is a 3-dimensional polyhedron with six parallelogram?s for faces. The word is also sometimes used for the higher-dimensional analoga.

Changed: 4c4

All opposite faces are parallel.

All opposite faces are parallel. The volume of a parallelepiped can be calculated most easily using determinants.