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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Pentagonal polytope ： ウィキペディア英語版 Pentagonal polytope In geometry, a pentagonal polytope is a regular polytope in ''n'' dimensions constructed from the H''n'' Coxeter group. The family was named by H. S. M. Coxeter, because the two-dimensional pentagonal polytope is a pentagon. It can be named by its Schläfli symbol as (dodecahedral) or (icosahedral). ==Family members== The family starts as 1-polytopes and ends with ''n'' = 5 as infinite tessellations of 4-dimensional hyperbolic space. There are two types of pentagonal polytopes; they may be termed the ''dodecahedral'' and ''icosahedral'' types, by their three-dimensional members. The two types are duals of each other. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Pentagonal polytope」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.