In geometry, the great retrosnub icosidodecahedron or great inverted retrosnub icosidodecahedron is a nonconvex uniform polyhedron, indexed as U74. It has 92 faces (80 triangles and 12 pentagrams), 150 edges, and 60 vertices.[1] It is given a Schläfli symbol sr{3⁄2,5⁄3}.
^Maeder, Roman. "74: great retrosnub icosidodecahedron". MathConsult.
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(U29), great snub icosidodecahedron (U57), great inverted snub icosidodecahedron (U69), and greatretrosnubicosidodecahedron (U74). The great inverted...
misnamed great inverted snub icosidodecahedron, and vice versa. Cartesian coordinates for the vertices of a greatretrosnubicosidodecahedron are all the...
Retrosnub polyhedra (a subset of the snub polyhedron, containing the great icosahedron, small retrosnub icosicosidodecahedron, and greatretrosnub icosidodecahedron)...
two greatretrosnub icosidodecahedra is a uniform polyhedron compound. It's composed of the 2 enantiomers of the greatretrosnubicosidodecahedron. Skilling...
applied to the great icosahedron, produces a sequence of uniform polyhedra. Truncating edges down to points produces the greaticosidodecahedron as a rectified...
dodecahedron (U29), great snub icosidodecahedron (U57), great inverted snub icosidodecahedron (U69), and greatretrosnubicosidodecahedron (U74). The snub...
U74 may refer to: German submarine U-74, various vessels Greatretrosnubicosidodecahedron HMAS Swan (U74), a sloop of the Royal Australian Navy Z18 small...
the great pentagrammic hexecontahedron (or great dentoid ditriacontahedron) is a nonconvex isohedral polyhedron. It is the dual of the greatretrosnub icosidodecahedron...
pairs. (Coxeter et al. 1954, pp. 423, 425, 426; Skilling 1975, p. 123) The great disnub dirhombidodecahedron has 240 of its 360 edges coinciding in space...
icosicosidodecahedron from (3 3 5/8) or (3 3/4 5/3), and the greatretrosnubicosidodecahedron from (2/3 3 5/2), (2 3/4 5/3), or (2 3 5/7). (Coxeter, "Uniform...
name rhombic stems from inserting a square in the cuboctahedron and icosidodecahedron. The Wythoff symbol is of the form p q|r. These have three different...
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