|Bowers style acronym||Pedip|
|Coxeter diagram||x5o x5o ()|
|Cells||10 pentagonal prisms|
|Faces||25 squares, 10 pentagons|
|Vertex figure||Tetragonal disphenoid, edge lengths (1+√)/2 (bases) and √ (sides)|
|Measures (edge length 1)|
|Dichoral angles||Pip–5–pip: 108°|
|Number of pieces||10|
|Level of complexity||3|
|Symmetry||H2≀S2, order 200|
The pentagonal duoprism or pedip, also known as the pentagonal-pentagonal duoprism, the 5 duoprism or the 5-5 duoprism, is a noble uniform duoprism that consists of 10 pentagonal prisms, with 4 meeting at each vertex. It is also the 10-4 gyrochoron and the square funk prism. It is the first in an infinite family of isogonal pentagonal dihedral swirlchora and also the first in an infinite family of isochoric pentagonal hosohedral swirlchora.
Gallery[edit | edit source]
Vertex coordinates[edit | edit source]
The vertices of a pentagonal duoprism of edge length 1, centered at the origin, are given by:
Representations[edit | edit source]
A pentagonal duoprism has the following Coxeter diagrams:
- x5o x5o (full symmetry)
- ofx xxx5ooo&#xt (pentagonal axial)
[edit | edit source]
- Bowers, Jonathan. "Category A: Duoprisms".
- Bowers, Jonathan. "Four Dimensional Dice Up To Twenty Sides".
- Klitzing, Richard. "pedip".
- Wikipedia Contributors. "5-5 duoprism".
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