The Sums of the Dihedral and Trihedral Angles in a Tetrahedron

DOI10.2307/2306805zbMath0046.37903OpenAlexW4232235997MaRDI QIDQ5811700

Jerry W. Gaddum

Publication date: 1952

Full work available at URL: https://doi.org/10.2307/2306805

zbMATH Keywords

elementary geometry

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