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In geometry, the elongated bipyramids are an infinite set of polyhedra, constructed by elongating an n-gonal bipyramid (by inserting an n-gonal prism between its congruent halves). There are three elongated bipyramids that are Johnson solids: * Elongated triangular bipyramid (J14), * Elongated square bipyramid (J15), and * Elongated pentagonal bipyramid (J16). Higher forms can be constructed with isosceles triangles.

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  • En geometrio, n-latera plilongigita dupiramido estas pluredro konstruita per plilongigo de n-latera dupiramido per enigo de n-latera prismo inter ĝiaj duonoj Estas tri plilongigitaj dupiramidoj kiuj estas solidoj de Johnson por n=3, 4, 5, faritaj el regulaj trianguloj kaj kvadratoj. Formoj por pli granda n povas esti konstruitaj per izocelaj trianguloj. (eo)
  • In geometry, the elongated bipyramids are an infinite set of polyhedra, constructed by elongating an n-gonal bipyramid (by inserting an n-gonal prism between its congruent halves). There are three elongated bipyramids that are Johnson solids: * Elongated triangular bipyramid (J14), * Elongated square bipyramid (J15), and * Elongated pentagonal bipyramid (J16). Higher forms can be constructed with isosceles triangles. (en)
  • En géométrie, les dipyramides allongées sont un ensemble infini de polyèdres, construits par allongement d'une bipyramide n-gonale (en insérant un prisme n-gonal entre ses moitiés congrues). Trois dipyramides allongées constituées de triangles équilatéraux et de carrés sont des solides de Johnson. Des dipyramides allongées plus hautes peuvent être construites sur le même prisme avec des triangles isocèles. (fr)
  • 在幾何學中,雙角錐柱又稱為雙棱锥柱、長雙錐體(英語:Elongated bipyramid),是指一系列的多面體,一個柱體上下二個底面都階上一個底面全等的錐體,或是一個雙錐體,拆開來後插入一個柱體所構成的幾何體。若雙角錐柱的底面為正多邊形則稱為正角錐柱,每個面皆為正多邊形的正雙角錐柱只有三種:正雙三角錐柱、正雙四角錐柱及正雙五角錐柱,同時,它們也是詹森多面體。 雙角錐柱與角錐柱十分類似,雙角錐柱可以看做是角錐柱弟底面與一個底面全等的錐體相接;而角錐柱也可以看做是雙角錐柱切除一個錐體,就如同偏方面體與半偏方面體之關係。 (zh)
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  • Example: elongated hexagonal bipyramid (en)
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  • bifrustums (en)
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  • triangles squares (en)
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  • En geometrio, n-latera plilongigita dupiramido estas pluredro konstruita per plilongigo de n-latera dupiramido per enigo de n-latera prismo inter ĝiaj duonoj Estas tri plilongigitaj dupiramidoj kiuj estas solidoj de Johnson por n=3, 4, 5, faritaj el regulaj trianguloj kaj kvadratoj. Formoj por pli granda n povas esti konstruitaj per izocelaj trianguloj. (eo)
  • In geometry, the elongated bipyramids are an infinite set of polyhedra, constructed by elongating an n-gonal bipyramid (by inserting an n-gonal prism between its congruent halves). There are three elongated bipyramids that are Johnson solids: * Elongated triangular bipyramid (J14), * Elongated square bipyramid (J15), and * Elongated pentagonal bipyramid (J16). Higher forms can be constructed with isosceles triangles. (en)
  • En géométrie, les dipyramides allongées sont un ensemble infini de polyèdres, construits par allongement d'une bipyramide n-gonale (en insérant un prisme n-gonal entre ses moitiés congrues). Trois dipyramides allongées constituées de triangles équilatéraux et de carrés sont des solides de Johnson. Des dipyramides allongées plus hautes peuvent être construites sur le même prisme avec des triangles isocèles. (fr)
  • 在幾何學中,雙角錐柱又稱為雙棱锥柱、長雙錐體(英語:Elongated bipyramid),是指一系列的多面體,一個柱體上下二個底面都階上一個底面全等的錐體,或是一個雙錐體,拆開來後插入一個柱體所構成的幾何體。若雙角錐柱的底面為正多邊形則稱為正角錐柱,每個面皆為正多邊形的正雙角錐柱只有三種:正雙三角錐柱、正雙四角錐柱及正雙五角錐柱,同時,它們也是詹森多面體。 雙角錐柱與角錐柱十分類似,雙角錐柱可以看做是角錐柱弟底面與一個底面全等的錐體相接;而角錐柱也可以看做是雙角錐柱切除一個錐體,就如同偏方面體與半偏方面體之關係。 (zh)
rdfs:label
  • Plilongigita dupiramido (eo)
  • Elongated bipyramid (en)
  • Dipyramide allongée (fr)
  • 雙角錐柱 (zh)
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