• Taylor & Francis, p. 42–43, ISBN 978-90-5699-681-9. Wikimedia Commons has media related to Pyramids (geometry). Weisstein, Eric W. "Pyramid". MathWorld....
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  • Thumbnail for Trigonal pyramidal molecular geometry
    In chemistry, a trigonal pyramid is a molecular geometry with one atom at the apex and three atoms at the corners of a trigonal base, resembling a tetrahedron...
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  • Thumbnail for Square pyramid
    In geometry, a square pyramid is a pyramid with a square base and four triangles, having a total of five faces. If the apex of the pyramid is directly...
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  • Thumbnail for Solid geometry
    sphere and its interior. Solid geometry deals with the measurements of volumes of various solids, including pyramids, prisms (and other polyhedrons)...
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  • Thumbnail for Hexagonal pyramid
    In geometry, a hexagonal pyramid is a pyramid with a hexagonal base upon which are erected six triangular faces that meet at a point (the apex). Like any...
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  • Thumbnail for Square pyramidal molecular geometry
    Square pyramidal geometry describes the shape of certain chemical compounds with the formula ML5 where L is a ligand. If the ligand atoms were connected...
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  • Thumbnail for Pentagonal pyramid
    In geometry, a pentagonal pyramid is a pyramid with a pentagon base and five triangular faces, having a total of six faces. It is categorized as a Johnson...
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  • In geometry, a tetrahedron (pl.: tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six...
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  • Thumbnail for Apex (geometry)
    In geometry, an apex (pl.: apices) is the vertex which is in some sense the "highest" of the figure to which it belongs. The term is typically used to...
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  • Thumbnail for Gyroelongated square pyramid
    In geometry, the gyroelongated square pyramid is the Johnson solid that can be constructed by attaching an equilateral square pyramid to a square antiprism...
    6 KB (604 words) - 10:38, 21 May 2025
  • Thumbnail for Pentagonal pyramidal molecular geometry
    In chemistry, pentagonal pyramidal molecular geometry describes the shape of compounds where in six atoms or groups of atoms or ligands are arranged around...
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  • Thumbnail for Octahedral pyramid
    In 4-dimensional geometry, the octahedral pyramid is bounded by one octahedron on the base and 8 triangular pyramid cells which meet at the apex. Since...
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  • Thumbnail for Gyroelongated pentagonal pyramid
    In geometry, the gyroelongated pentagonal pyramid is a polyhedron constructed by attaching a pentagonal antiprism to the base of a pentagonal pyramid. An...
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  • center. When τ5 is close to 0 the geometry is similar to square pyramidal, while if τ5 is close to 1 the geometry is similar to trigonal bipyramidal:...
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  • Thumbnail for Elongated square pyramid
    In geometry, the elongated square pyramid is a convex polyhedron constructed from a cube by attaching an equilateral square pyramid onto one of its faces...
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  • Thumbnail for Elongated triangular pyramid
    In geometry, the elongated triangular pyramid is one of the Johnson solids (J7). As the name suggests, it can be constructed by elongating a tetrahedron...
    6 KB (624 words) - 01:21, 27 June 2025
  • Thumbnail for Hyperpyramid
    In geometry, a hyperpyramid is a generalisation of the normal pyramid to n dimensions. In the case of the pyramid one connects all vertices of the base...
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  • Thumbnail for Cubic pyramid
    In 4-dimensional geometry, the cubic pyramid is bounded by one cube on the base and 6 square pyramid cells which meet at the apex. Since a cube has a...
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  • Thumbnail for MyPyramid
    MyPyramid, released by the USDA Center for Nutrition Policy and Promotion on April 19, 2005, was an update on the earlier American food guide pyramid....
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  • height of pyramids and the distance of ships from the shore. He is credited with the first use of deductive reasoning applied to geometry, by deriving...
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  • Thumbnail for Affine geometry
    In mathematics, affine geometry is what remains of Euclidean geometry when ignoring (mathematicians often say "forgetting") the metric notions of distance...
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  • Thumbnail for Frustum
    In geometry, a frustum (Latin for 'morsel'); (pl.: frusta or frustums) is the portion of a solid (normally a pyramid or a cone) that lies between two...
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  • Thumbnail for Elongated pentagonal pyramid
    The elongated pentagonal pyramid is a polyhedron constructed by attaching one pentagonal pyramid onto one of the pentagonal prism's bases, a process known...
    5 KB (501 words) - 01:30, 27 June 2025
  • Thumbnail for History of geometry
    terms of solid geometry, he figured out that a wedge with rectangular base and both sides sloping could be broken down into a pyramid and a tetrahedral...
    48 KB (6,299 words) - 14:25, 9 June 2025
  • Thumbnail for 5-cell
    5-cell (redirect from Tetrahedral pyramid)
    In geometry, the 5-cell is the convex 4-polytope with Schläfli symbol {3,3,3}. It is a 5-vertex four-dimensional object bounded by five tetrahedral cells...
    37 KB (3,706 words) - 23:27, 16 July 2025
  • Thumbnail for Molecular geometry
    Molecular geometry is the three-dimensional arrangement of the atoms that constitute a molecule. It includes the general shape of the molecule as well...
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  • however do enable .360 processing. The Pyramid projection is a variation of the cubemap using a pyramid geometry. The video is rendered in multiple viewports...
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  • Thumbnail for Dithionite
    not a sulfite. The dianion has a steric number of 4 and trigonal pyramidal geometry. In its main applications, dithionite is generally prepared in situ...
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  • Thumbnail for Trigonal planar molecular geometry
    a tetrahedral molecular geometry. One way to observe this distortion is in pyramidal alkenes. AXE method Molecular geometry VSEPR theory March, Jerry...
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  • Thumbnail for Gyroelongated pyramid
    geometry, the gyroelongated pyramids (also called augmented antiprisms) are an infinite set of polyhedra, constructed by adjoining an n-gonal pyramid...
    2 KB (130 words) - 12:30, 28 July 2024