Trirectangular equable tetrahedra with integer face areas

  • Christian Aebi

    Collège Calvin, Geneva, Switzerland
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Abstract

We prove that there are exactly 9 tetrahedra with one solid right angle, all faces of integral area, whose sum corresponds to the volume of the tetrahedron.

Cite this article

Christian Aebi, Trirectangular equable tetrahedra with integer face areas. Elem. Math. 80 (2025), no. 3, pp. 128–131

DOI 10.4171/EM/539