http://www.polytope.net/hedrondude/snubs.htm WebGreat Inverted Pentagonal Hexecontahedron (values below based on edge length = 1) Circumscribed Radius: sqrt(root[4096*(x^6)−27648*(x^5) +47104*(x^4)−35776*(x^3) …
Great snub icosidodecahedron - Wikiwand
WebMay 25, 1999 · Great Inverted Snub Icosidodecahedron; Great Pentagonal Hexecontahedron; Great Pentagrammic Hexecontahedron; Great Pentakis Dodecahedron; Great Quasitruncated Icosidodecahedron; Great Retrosnub Icosidodecahedron; Great Rhombic Triacontahedron; Great Rhombicosidodecahedron (Archimedean) WebGeorge Olshevsky named the nonconvex snub polyhedra after some other Great Old Ones, with the Great inverted snub icosidodecahedron as "Cthulhu". Name. Lovecraft transcribed the pronunciation of Cthulhu as Khlûl'-hloo, although S. T. Joshi points out, however, that Lovecraft gave several differing pronunciations on different occasions. nrs proff
Great Inverted Pentagonal Hexecontahedron -- from Wolfram …
In geometry, the great inverted snub icosidodecahedron (or great vertisnub icosidodecahedron) is a uniform star polyhedron, indexed as U69. It is given a Schläfli symbol sr{5⁄3,3}, and Coxeter-Dynkin diagram . In the book Polyhedron Models by Magnus Wenninger, the polyhedron is misnamed … See more Cartesian coordinates for the vertices of a great inverted snub icosidodecahedron are all the even permutations of (±2α, ±2, ±2β), (±(α−βτ−1/τ), ±(α/τ+β−τ), ±(−ατ−β/τ−1)), (±(ατ−β/τ+1), ±(−α−βτ+1/τ), ±(−α/τ+β+τ)), … See more • List of uniform polyhedra • Great snub icosidodecahedron • Great retrosnub icosidodecahedron See more • Weisstein, Eric W. "Great inverted pentagonal hexecontahedron". MathWorld. • Weisstein, Eric W. "Great inverted snub icosidodecahedron". MathWorld. See more WebThe uniform polyhedron , also called the great inverted retrosnub icosidodecahedron, whose dual is the great pentagrammic hexecontahedron. It has Wythoff symbol . Its faces are . For unit edge … WebJSTOR is a digital library of academic journals, books, and primary sources. nrsp rail security