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  2. Prism (geometry) - Wikipedia

    en.wikipedia.org/wiki/Prism_(geometry)

    Right Prism. A right prism is a prism in which the joining edges and faces are perpendicular to the base faces. [5] This applies if and only if all the joining faces are rectangular. The dual of a right n-prism is a right n-bipyramid. A right prism (with rectangular sides) with regular n-gon bases has Schläfli symbol { }×{n}.

  3. List of centroids - Wikipedia

    en.wikipedia.org/wiki/List_of_centroids

    Volume Cuboid: a, b = the sides of the cuboid's base c = the third side of the cuboid ... Right-triangular prism: b = the base side of the prism's triangular base,

  4. Triangular prism - Wikipedia

    en.wikipedia.org/wiki/Triangular_prism

    Truncated right triangular prism. A truncated triangular prism is a triangular prism constructed by truncating its part at an oblique angle. As a result, the two bases are not parallel and every height has a different edge length. If the edges connecting bases are perpendicular to one of its bases, the prism is called a truncated right ...

  5. Parallelepiped - Wikipedia

    en.wikipedia.org/wiki/Parallelepiped

    Right parallelogrammic prism: it has four rectangular faces and two parallelogrammic faces. ... A formula to compute the volume of an n-parallelotope P in ...

  6. Heptagonal prism - Wikipedia

    en.wikipedia.org/wiki/Heptagonal_prism

    3D model of a (uniform) heptagonal prism. In geometry , the heptagonal prism is a prism with heptagonal base. This polyhedron has 9 faces (2 bases and 7 sides), 21 edges, and 14 vertices.

  7. Frustum - Wikipedia

    en.wikipedia.org/wiki/Frustum

    A right frustum is a right pyramid or a right cone ... then a frustum becomes a prism ... the formula for the volume can be expressed as the third of the ...

  8. List of formulas in elementary geometry - Wikipedia

    en.wikipedia.org/wiki/List_of_formulas_in...

    Perimeter#Formulas – Path that surrounds an area; List of second moments of area; List of surface-area-to-volume ratios – Surface area per unit volume; List of surface area formulas – Measure of a two-dimensional surface; List of trigonometric identities; List of volume formulas – Quantity of three-dimensional space

  9. Rectangular cuboid - Wikipedia

    en.wikipedia.org/wiki/Rectangular_cuboid

    The dihedral angles of a rectangular cuboid are all right angles, and its opposite faces are congruent. [2] By definition, this makes it a right rectangular prism. Rectangular cuboids may be referred to colloquially as "boxes" (after the physical object).