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  2. Pentagonal prism - Wikipedia

    en.wikipedia.org/wiki/Pentagonal_prism

    The volume, as for all prisms, is the product of the area of the pentagonal base times the height or distance along any edge perpendicular to the base. For a uniform pentagonal prism with edges h the formula is

  3. Prism (geometry) - Wikipedia

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

    Prism (geometry) In geometry, a prism is a polyhedron comprising an n-sided polygon base, a second base which is a translated copy (rigidly moved without rotation) of the first, and n other faces, necessarily all parallelograms, joining corresponding sides of the two bases. All cross-sections parallel to the bases are translations of the bases.

  4. Antiprism - Wikipedia

    en.wikipedia.org/wiki/Antiprism

    In geometry, an n-gonal antiprism or n-antiprism is a polyhedron composed of two parallel direct copies (not mirror images) of an n-sided polygon, connected by an alternating band of 2n triangles. They are represented by the Conway notation An . Antiprisms are a subclass of prismatoids, and are a (degenerate) type of snub polyhedron.

  5. Dodecahedral prism - Wikipedia

    en.wikipedia.org/wiki/Dodecahedral_prism

    Dodecahedral prism. In geometry, a dodecahedral prism is a convex uniform 4-polytope. This 4-polytope has 14 polyhedral cells: 2 dodecahedra connected by 12 pentagonal prisms. It has 54 faces: 30 squares and 24 pentagons. It has 80 edges and 40 vertices. It can be constructed by creating two coinciding dodecahedra in 3-space, and translating ...

  6. Pentagrammic prism - Wikipedia

    en.wikipedia.org/wiki/Pentagrammic_prism

    In geometry, the pentagrammic prism is one of an infinite set of nonconvex prisms formed by square sides and two regular star polygon caps, in this case two pentagrams . It is a special case of a right prism with a pentagram as base, which in general has rectangular non-base faces. Topologically it is the same as a convex pentagonal prism .

  7. Heptahedron - Wikipedia

    en.wikipedia.org/wiki/Heptahedron

    Heptahedron. A heptahedron ( pl.: heptahedra) is a polyhedron having seven sides, or faces . A heptahedron can take a large number of different basic forms, or topologies. The most familiar are the hexagonal pyramid and the pentagonal prism. Also notable is the tetrahemihexahedron, which can be seen as a tessellation of the real projective plane.

  8. Biaugmented pentagonal prism - Wikipedia

    en.wikipedia.org/wiki/Biaugmented_pentagonal_prism

    An biaugmented pentagonal prism with edge length has a surface area, calculated by adding the area of four equilateral triangles, four squares, and two regular pentagons: [2] Its volume can be obtained by slicing it into a regular pentagonal prism and an equilateral square pyramid, and adding their volume subsequently: [2] The dihedral angle of ...

  9. Pentagonal pyramid - Wikipedia

    en.wikipedia.org/wiki/Pentagonal_pyramid

    Pentagonal pyramids can be found in a small stellated dodecahedron. Pentagonal pyramids can be found as components of many polyhedrons. Attaching its base to the pentagonal face of another polyhedron is an example of the construction process known as augmentation, and attaching it to prisms or antiprisms is known as elongation or gyroelongation, respectively. [11]