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View search results from all Wolfram sites (1737 matches)A positive-height (outward-pointing) pyramid used in augmentation. The term was introduced by B. Grünbaum.
Two slant triangular prisms fused together.
A pyramidal frustum is a frustum made by chopping the top off a pyramid. It is a special case of a prismatoid. For a right pyramidal frustum, let s be the slant height, h the ...
A negative-height (inward-pointing) pyramid used in augmentation. The term was introduced by B. Grünbaum.
The volume of a prismatoid is equal to the sum of the volumes of a pyramid, a wedge, and a parallelepiped.
A (general) dodecahedron is a polyhedron having 12 faces. Examples include the Bilinski dodecahedron, decagonal prism, elongated square dipyramid (Johnson solid J_(15)), ...
The Johnson solids are the convex polyhedra having regular faces and equal edge lengths (with the exception of the completely regular Platonic solids, the "semiregular" ...
A polyhedron with extra triangular faces, given by the Schläfli symbol s{p; q}.
An n-gonal cupola Q_n is a polyhedron having n obliquely oriented triangular and n rectangular faces separating an {n} and a {2n} regular polygon, each oriented horizontally. ...
A figurate number of the form P_n^((4))=1/6n(n+1)(2n+1), (1) corresponding to a configuration of points which form a square pyramid, is called a square pyramidal number (or ...
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