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(Q7887)
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subclass of
simplex
0 references
pyramid
base
triangle
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convex polyhedron
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tetratope
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follows
trihedron
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followed by
pentahedron
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has quality
inradius
defining formula
1
r
1
2
+
1
r
2
2
+
1
r
3
2
+
1
r
4
2
≤
2
r
2
{\displaystyle {\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}}}}
0 references
volume
defining formula
V
=
1
/
3
A
0
h
{\displaystyle V=1/3A_{0}h}
0 references
sphericity
numeric value
0.6711392913128503694920290616644451317579168462074751242138997126
0 references
Sitelinks
⧼wikibase-sitelinks-mywikigroup⧽
(0 entries)
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