Siberian Mathematical Journal

, Volume 47, Issue 4, pp 687-695

First online:

Elementary formulas for a hyperbolic tetrahedron

  • A. D. MednykhAffiliated withSobolev Institute of Mathematics
  • , M. G. PashkevichAffiliated withSiberian State Transport University

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We derive some elementary formulas expressing the relation between the dihedral angles and edge lengths of a tetrahedron in hyperbolic space.


hyperbolic tetrahedron n-dimensional hyperbolic simplex law of sines law of cosines