A pentagonal dihedron is a 3-D polyhedron with two pentagonal faces which share their edges and vertices. In normal Euclidean space, it is degenerate, but can exist as a tiling of the sphere where each face makes up a hemisphere.
See Also
Regular |
Rectified |
Birectified |
Truncated |
Bitruncated |
Cantellated |
Cantitruncated |
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Pentagonal dihedron | Pentagonal dihedron | Pentagonal hosohedron | Truncated pentagonal dihedron | Pentagonal prism | Pentagonal prism | Decagonal prism |
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Zerogonal dihedron | Monogonal dihedron | Digonal dihedron | Trigonal dihedron | Square dihedron | Pentagonal dihedron | Hexagonal dihedron | Heptagonal dihedron | Octagonal dihedron | ... | Apeirogonal dihedron | Pseudogonal dihedron |