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Truncated square trapezohedron : ウィキペディア英語版 | Truncated square trapezohedron
The square truncated trapezohedron is the second in an infinite series of truncated trapezohedron polyhedra. It has 8 pentagon and 2 square faces. This polyhedron can be constructed by taking a tetragonal trapezohedron and truncating the polar axis vertices. The kite faces of the trapezohedron become pentagons. The vertices exist as 4 squares in four parallel planes, with alternating orientation in the middle creating the pentagons. A ''truncated trapezohedron'' has all valence-3 vertices. This means that the dual polyhedrona gyroelongated square dipyramid has all triangular faces. It represents the dual polyhedron to the Johnson solid, gyroelongated square dipyramid, with specific proportions:
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「Truncated square trapezohedron」の詳細全文を読む
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