E698  Variae speculationes super area triangulorum sphaericorum
(Several speculations about the area of spherical triangles)
Summary:
According to Eneström, "Here, after other things, Euler gives a geometric proof of the Lexell Theorem about the location of the vertices of
equally flat spherical triangles with a shared baseline."
Publication:

Originally published in Nova Acta Academiae Scientarum Imperialis Petropolitinae 10, 1797, pp. 4762

Opera Omnia: Series 1, Volume 29, pp. 253  266
Documents Available:
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