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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 Decagram (geometry) ： ウィキペディア英語版 Decagram (geometry) In geometry, a decagram is a 10-sided star polygon. There is one regular decagram, containing the vertices of a regular decagon, but connected by every third point. Its Schläfli symbol is .〔.〕 The name decagram combine a numeral prefix, ''deca-'', with the Greek suffix ''-gram''. The ''-gram'' suffix derives from ''γραμμῆς'' (''grammēs'') meaning a line.〔(γραμμή ), Henry George Liddell, Robert Scott, ''A Greek-English Lexicon'', on Perseus〕 == Regular decagram== For a regular decagram with unit edge lengths, the proportions of the crossing points on each edge are as shown below. 320px 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「Decagram (geometry)」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.