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A perfect parallelepiped is a parallelepiped with integer-length edges, face diagonals, and space diagonals. In 2009, dozens of perfect parallelepipeds were shown to exist, [ 3 ] answering an open question of Richard Guy .
The three vectors spanning a parallelepiped have triple product equal to its volume. (However, beware that the direction of the arrows in this diagram are incorrect.) In exterior algebra and geometric algebra the exterior product of two vectors is a bivector, while the exterior product of three vectors is a trivector. A bivector is an oriented ...
The volume of a rhombohedron, in terms of its side length and its rhombic acute angle , is a ... is a simplification of the volume of a parallelepiped, ...
This is a list of volume formulas of basic shapes: [4]: 405–406 ... Parallelepiped – , where , , and are the ...
Major types of shapes that either constitute or define a volume. Figure Definitions Images Parallelepiped: A polyhedron with six faces , each of which is a parallelogram; A hexahedron with three pairs of parallel faces; A prism of which the base is a parallelogram; Rhombohedron: A parallelepiped where all edges are the same length
A painting by British artist George Stubbs is expected to sell for up to £2 million ($2.5 million) in London next week, as it comes to auction for the first time in more than 50 years.. The 18th ...
The Year Without a Santa Claus, a Christmas special from Jules Bass and Arthur Rankin, Jr., turns 50 this December. The beloved special was adapted from the book of the same name by Phyllis ...
This shape is also called rectangular parallelepiped or orthogonal parallelepiped. [a] Properties ... its volume is the product of the rectangular area and its height