Octagonal prism: Difference between revisions
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If faces are all regular, it is a [[semiregular polyhedron]]. |
If faces are all regular, it is a [[semiregular polyhedron]]. |
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In geometry, the octagonal prism is the sixth in an infinite set of prisms, formed by square sides and two regular octagon caps. |
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== Use == |
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If faces are all regular, it is a semiregular polyhedron. |
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In [[optics]], octagonal prisms are used to generate flicker-free images in [[movie projector]]s. |
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boobs |
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It is an element of three [[uniform honeycomb]]s: |
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{| class=wikitable |
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|[[File:Truncated square prismatic honeycomb.png|160px]]<BR>[[Truncated square prismatic honeycomb]] |
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|[[File:Omnitruncated cubic honeycomb.jpg|160px]]<BR>[[Omnitruncated cubic honeycomb]] |
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|[[File:Runcitruncated cubic honeycomb.jpg|160px]]<BR>[[Runcitruncated cubic honeycomb]] |
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|} |
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It is also an element of two four-dimensional [[uniform polychoron|uniform polychora]]: the [[omnitruncated tesseract]] and [[runcitruncated tesseract]]. |
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== See also == |
== See also == |
Revision as of 02:13, 7 May 2010
Uniform octagonal prism | |
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Type | Prismatic uniform polyhedron |
Elements | F = 10, E = 24, V = 16 (χ = 2) |
Faces by sides | 8{4}+2{8} |
Schläfli symbol | t{2,8} or {8}×{} |
Wythoff symbol | 2 8 | 2 2 2 4 | |
Coxeter diagrams | |
Symmetry | D8h, [8,2], (*822), order 32 |
Rotation group | D8, [8,2]+, (822), order 16 |
References | U76(f) |
Dual | Octagonal dipyramid |
Properties | convex, zonohedron |
Vertex figure 4.4.8 |
In geometry, the octagonal prism is the sixth in an infinite set of prisms, formed by square sides and two regular octagon caps.
If faces are all regular, it is a semiregular polyhedron.
In geometry, the octagonal prism is the sixth in an infinite set of prisms, formed by square sides and two regular octagon caps.
If faces are all regular, it is a semiregular polyhedron.
boobs
See also
- Set of prisms
- Triangular prism
- Cube (square-capped prism)
- Pentagonal prism
- Hexagonal prism