tetrahedron (Q7887)

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four-sided polyhedron

3-simplex
triangular pyramid

Language	Label	Description	Also known as
English	tetrahedron	four-sided polyhedron	3-simplex triangular pyramid

Statements

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convex polyhedron

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defining formula

{\frac {1}{r_{1}^{2}}}+{\frac {1}{r_{2}^{2}}}+{\frac {1}{r_{3}^{2}}}+{\frac {1}{r_{4}^{2}}}\leq {\frac {2}{r^{2}}}

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Sitelinks

⧼wikibase-sitelinks-mywikigroup⧽(0 entries)

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