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heptahedron
A heptahedron is a polyhedron with seven faces.
According to the Steinitz classification of fvectors of 3polytopes and the Euler polyhedron formula together imply that a convex heptahedron will have one of the followng fvectors:

$(6,11,7)$

$(7,12,7)$

$(8,13,7)$

$(9,14,7)$

$(10,15,7)$
Keywords:
polyhedron
Related:
Grafix
Synonym:
septahedron
Type of Math Object:
Definition
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