Hexagonal Prism
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Hexagonal Prism
Uniform hexagonal prism
Hexagonal prism.png
Type Prismatic uniform polyhedron
Elements F = 8, E = 18, V = 12 (? = 2)
Faces by sides 6{4}+2{6}
Schläfli symbol t{2,6} or {6}×{}
Wythoff symbol 2 6 | 2
2 2 3 |
Coxeter diagrams CDel node 1.pngCDel 2.pngCDel node 1.pngCDel 6.pngCDel node.png
CDel node 1.pngCDel 2.pngCDel node 1.pngCDel 3.pngCDel node 1.png
CDel node 1.pngCDel 2.pngCDel node h.pngCDel 6.pngCDel node h.png
CDel node h.pngCDel 2.pngCDel node h.pngCDel 6.pngCDel node 1.png
Symmetry D6h, [6,2], (*622), order 24
Rotation group D6, [6,2]+, (622), order 12
References U76(d)
Dual Hexagonal dipyramid
Properties convex, zonohedron
Hexagonal prism vertfig.png
Vertex figure
3D model of a uniform hexagonal prism.

In geometry, the hexagonal prism is a prism with hexagonal base. This polyhedron has 8 faces, 18 edges, and 12 vertices.[1]

Since it has 8 faces, it is an octahedron. However, the term octahedron is primarily used to refer to the regular octahedron, which has eight triangular faces. Because of the ambiguity of the term octahedron and tilarity of the various eight-sided figures, the term is rarely used without clarification.

Before sharpening, many pencils take the shape of a long hexagonal prism.[2]

As a semiregular (or uniform) polyhedron

If faces are all regular, the hexagonal prism is a semiregular polyhedron, more generally, a uniform polyhedron, and the fourth in an infinite set of prisms formed by square sides and two regular polygon caps. It can be seen as a truncated hexagonal hosohedron, represented by Schläfli symbol t{2,6}. Alternately it can be seen as the Cartesian product of a regular hexagon and a line segment, and represented by the product {6}×{}. The dual of a hexagonal prism is a hexagonal bipyramid.

The symmetry group of a right hexagonal prism is D6h of order 24. The rotation group is D6 of order 12.


As in most prisms, the volume is found by taking the area of the base, with a side length of , and multiplying it by the height , giving the formula:[3]


The topology of a uniform hexagonal prism can have geometric variations of lower symmetry, including:

Name Regular-hexagonal prism Hexagonal frustum Ditrigonal prism Triambic prism Ditrigonal trapezoprism
Symmetry D6h, [2,6], (*622) C6v, [6], (*66) D3h, [2,3], (*322) D3d, [2+,6], (2*3)
Construction {6}×{}, CDel node 1.pngCDel 2.pngCDel node 1.pngCDel 6.pngCDel node.png t{3}×{}, CDel node 1.pngCDel 2.pngCDel node 1.pngCDel 3.pngCDel node 1.png CDel node 1.pngCDel 2.pngCDel node f1.pngCDel 3.pngCDel node f1.png s2{2,6}, CDel node h.pngCDel 2x.pngCDel node h.pngCDel 6.pngCDel node 1.png
Image Hexagonal Prism.svg Hexagonal frustum.png Truncated triangle prism.png Cantic snub hexagonal hosohedron.png
Distortion Hexagonal frustum2.png Truncated triangle prism2.png Isohedral hexagon prism.png
Isohedral hexagon prism2.png
Cantic snub hexagonal hosohedron2.png

As part of spatial tesselations

It exists as cells of four prismatic uniform convex honeycombs in 3 dimensions:

It also exists as cells of a number of four-dimensional uniform 4-polytopes, including:

Related polyhedra and tilings

This polyhedron can be considered a member of a sequence of uniform patterns with vertex figure (4.6.2p) and Coxeter-Dynkin diagram CDel node 1.pngCDel p.pngCDel node 1.pngCDel 3.pngCDel node 1.png. For p < 6, the members of the sequence are omnitruncated polyhedra (zonohedrons), shown below as spherical tilings. For p > 6, they are tilings of the hyperbolic plane, starting with the truncated triheptagonal tiling.

See also


  1. ^ a b Pugh, Anthony (1976), Polyhedra: A Visual Approach, University of California Press, pp. 21, 27, 62, ISBN 9780520030565.
  2. ^ Simpson, Audrey (2011), Core Mathematics for Cambridge IGCSE, Cambridge University Press, pp. 266-267, ISBN 9780521727921.
  3. ^ Wheater, Carolyn C. (2007), Geometry, Career Press, pp. 236-237, ISBN 9781564149367.

External links

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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