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・ Elongated Man
・ Elongated octahedron
・ Elongated pentagonal bipyramid
・ Elongated pentagonal cupola
・ Elongated pentagonal gyrobicupola
・ Elongated pentagonal gyrobirotunda
・ Elongated pentagonal gyrocupolarotunda
・ Elongated pentagonal orthobicupola
・ Elongated pentagonal orthobirotunda
・ Elongated pentagonal orthocupolarotunda
・ Elongated pentagonal pyramid
・ Elongated pentagonal rotunda
・ Elongated pyramid
・ Elongated shrew
・ Elongated square bipyramid
Elongated square cupola
・ Elongated square gyrobicupola
・ Elongated square pyramid
・ Elongated stitch
・ Elongated tortoise
・ Elongated triangular bipyramid
・ Elongated triangular cupola
・ Elongated triangular gyrobicupola
・ Elongated triangular orthobicupola
・ Elongated triangular pyramid
・ Elongated triangular tiling
・ Elongatedness
・ Elongation
・ Elongation (astronomy)
・ Elongation factor


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Elongated square cupola : ウィキペディア英語版
Elongated square cupola

In geometry, the elongated square cupola is one of the Johnson solids (''J''19). As the name suggests, it can be constructed by elongating a square cupola (''J''4) by attaching an octagonal prism to its base. The solid can be seen as a rhombicuboctahedron with its "lid" (another square cupola) removed.
==Formulae==
The following formulae for volume, surface area and circumradius can be used if all faces are regular, with edge length ''a'':〔Stephen Wolfram, "(Elongated square cupola )" from Wolfram Alpha. Retrieved July 22, 2010.〕
V=(3+\frac)a^3\approx6.77124...a^3
A=(15+2\sqrt+\sqrt)a^2\approx19.5605...a^2
C=(\frac\sqrt{5+2\sqrt{2}})a\approx1.39897...a

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 cupola」の詳細全文を読む



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