デルタ多面体
1. DeltahedronA deltahedron is a polyhedron whose faces are all equilateral triangles. The name is taken from the Greek majuscule delta (Δ), which has the shape of an equilateral triangle. There are infinitely many deltahedra, but of these only eight are convex, having 4, 6, 8, 10, 12, 14, 16 and 20 faces. The number of faces, edges, and vertices is listed below for each of the eight convex deltahedra.
Read “Deltahedron” on English Wikipedia
Read “デルタ多面体” on Japanese Wikipedia
Read “Deltahedron” on DBpedia
Read “Deltahedron” on English Wikipedia
Read “デルタ多面体” on Japanese Wikipedia
Read “Deltahedron” on DBpedia
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