bn:00146257n
Noun Concept
AR
No term available
EN
In geometry, a 7-orthoplex, or 7-cross polytope, is a regular 7-polytope with 14 vertices, 84 edges, 280 triangle faces, 560 tetrahedron cells, 672 5-cells 4-faces, 448 5-faces, and 128 6-faces. Wikipedia
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DUAL TO
HAS FACET POLYTOPE
HAS VERTEX FIGURE