E324 -- Proprietates triangulorum, quorum anguli certam inter se tenent rationem

(Properties of triangles for which certain angles have a ratio between themselves)


Euler derives properties of a triangle based on relationships between the angles of the triangle; these properties are polynomials that the (lengths of the) sides must satisfy.

According to C. G. J. Jacobi, a treatise with this title was read to the Berlin Academy on September 22, 1763.

According to the records, it was presented to the Petersburg Academy on December 21, 1763.

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