dodecahedron

Also known as dodecahedra, dodecahedrons

{| class="wikitable floatright" width=320 |+ Common dodecahedra |- style="text-align:center;" !colspan=4|I, order 120 |- style="text-align:center; vertical-align:bottom;" |Regular |Small stellated |Great |Great stellated |- style="text-align:center; vertical-align:bottom;" |80px |80px |80px |80px |- !T, order 24 !T, order 12 !O, order 48 !Johnson (J) |- style="text-align:center; vertical-align:bottom;" |Pyritohedron |Tetartoid |Rhombic |Triangular |- style="text-align:center; vertical-align:bottom;" |x80px |x80px |x80px |x80px |- align=center !colspan=2|D, order 16 !colspan=2|D, order 12 |- al

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Wikidata facts

Image: Rhombic dodecahedron (green).png

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Commons category: Polyhedra with 12 faces

Sources (3)

via Wikidata · CC0

~17 min read

Article

15 sections

Contents

Regular dodecahedron
Other pentagonal dodecahedra
Pyritohedron
Crystal pyrite
Cartesian coordinates
Geometric freedom
Tetartoid
Cartesian coordinates
Geometric freedom
Rhombic dodecahedron
Other dodecahedra
Practical usage
Notes
References
External links

In geometry, a dodecahedron or duodecahedron is any polyhedron with twelve flat faces. The most familiar dodecahedron is the regular dodecahedron with regular pentagons as faces, which is a Platonic solid. There are also three regular star dodecahedra, which are constructed as stellations of the convex form. All of these have icosahedral symmetry, order 120.