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词条 Rectified truncated dodecahedron
释义

  1. Related polyhedra

  2. See also

  3. References

  4. External links

Rectified truncated dodecahedron
Schläfli symbolrt{5,3}
Conway notationatD
Faces92:
20 {3}
60 { }∨( )
12 {10}
Edges180
Vertices90
Symmetry groupIh, [5,3], (*532) order 120
Rotation groupI, [5,3]+, (532), order 60
Dual polyhedronJoined truncated dodecahedron
Propertiesconvex

Net

The rectified truncated dodecahedron is a polyhedron, constructed as a rectified truncated dodecahedron. It has 92 faces: 20 equilateral triangles, 60 isosceles triangles, and 12 decagons.

Topologically, the triangles corresponding to the dodecahedrons's vertices are always equilateral, although the decagons, while having equal edge lengths, do not have the same edge lengths with the equilateral triangles, having different but alternating angles, causing the other triangles to be isosceles instead.

Related polyhedra

The rectified truncated dodecahedron can be seen in sequence of rectification and truncation operations from the dodecahedron. Further truncation, and alternation operations creates two more polyhedra:

NameTruncated
dodecahedron
Rectified
truncated
dodecahedron
Truncated
rectified
truncated
dodecahedron
Snub
rectified
truncated
dodecahedron
Coxeter[https://levskaya.github.io/polyhedronisme/?recipe=A10tD tD]rtDtrtDsrtD
Conway[https://levskaya.github.io/polyhedronisme/?recipe=C100A10atD atD][https://levskaya.github.io/polyhedronisme/?recipe=C100A10btD btD][https://levskaya.github.io/polyhedronisme/?recipe=C100A10stD stD]
Image

See also

  • Rectified truncated tetrahedron
  • Rectified truncated octahedron
  • Rectified truncated cube
  • Rectified truncated icosahedron

References

  • Coxeter Regular Polytopes, Third edition, (1973), Dover edition, {{isbn|0-486-61480-8}} (pp. 145–154 Chapter 8: Truncation)
  • John H. Conway, Heidi Burgiel, Chaim Goodman-Strass, The Symmetries of Things 2008, {{isbn|978-1-56881-220-5}}

External links

  • George Hart's Conway interpreter: generates polyhedra in VRML, taking Conway notation as input
{{Polyhedron-stub}}

1 : Polyhedra

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