bn:02785801n
Noun Concept
Categories: Polyhedra
EN
trirectangular tetrahedron
EN
In geometry, a trirectangular tetrahedron is a tetrahedron where all three face angles at one vertex are right angles. Wikipedia
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EN
In geometry, a trirectangular tetrahedron is a tetrahedron where all three face angles at one vertex are right angles. Wikipedia
geometrical shape Wikidata