Uploaded June 2017 | Updated September 2026, 1 week ago

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demonstrations.wolfram.com/PropertiesOfIsoscelesTetrahedra

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An isosceles tetrahedron is a nonregular tetrahedron in which each pair of opposite polyhedron edges are equal; that is, e=a, d=c, f=b. Then all the triangular faces are congruent, so that an isosceles tetrahedron can be classified as an isohedron. An i...

Contributed by: Izidor Hafner

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