せいためんたい
正多面体
1. regular polyhedronMathematics
2. Platonic solidIn Euclidean geometry, a Platonic solid is a regular, convex polyhedron. The faces are congruent, regular polygons, with the same number of faces meeting at each vertex. There are five Platonic solids; their names are derived from their numbers of faces. The aesthetic beauty and symmetry of the Platonic solids have made them a favorite subject of geometers for thousands of years.
Read “Platonic solid” on English Wikipedia
Read “正多面体” on Japanese Wikipedia
Read “Platonic solid” on DBpedia
Read “Platonic solid” on English Wikipedia
Read “正多面体” on Japanese Wikipedia
Read “Platonic solid” on DBpedia
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