Heronian Tetrahedron

A Tetrahedron with Rational sides, Face Areas, and Volume. Thesmallest examples have pairs of opposite sides (148, 195, 203), (533, 875, 888), (1183, 1479, 1804), (2175, 2296, 2431), (1825,2748, 2873), (2180, 2639, 3111), (1887, 5215, 5512), (6409, 6625, 8484), and (8619, 10136, 11275).

References

Guy, R. K. ``Simplexes with Rational Contents.'' §D22 in Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag, pp. 190-192, 1994.

• Multiplier
• Multiply Connected
• Multiply Perfect Number
• Multisection
• Multivalued Function
• Multivariate Analysis
• Multivariate Function
• Multivariate Theorem
• Mu Molecule
• Mutant Knot
• Mutation
• Mutual Energy
• Mutually Exclusive
• Mutually Singular
• Myriad
• Myriagon
• Mystic Pentagram
• Méiré Pattern
• Ménage Number
• Ménage Problem
• Möbius Band
• Möbius Function
• Möbius Group
• Möbius Inversion Formula
• Möbius Periodic Function