翻訳と辞書 |
elongated square bipyramid : ウィキペディア英語版 | elongated square bipyramid
In geometry, the elongated square bipyramid is one of the Johnson solids (''J''15). As the name suggests, it can be constructed by elongating an octahedron by inserting a cube between its congruent halves. It has been named the pencil cube due to its shape.〔Order in Space: A design source book, Keith Critchlow, p.46-47〕 A zircon crystal is an example of an elongated square bipyramid. == Dual polyhedron ==
The dual of the elongated square bipyramid is called a square bifrustum and has 10 faces: 8 trapezoidal and 2 square.
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「elongated square bipyramid」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.
|
|