English Title
About geometry and spheres
Enestrom Number
749
Fuss Index
309
Original Language
Latin
Content Summary
This paper is about certain geometry and spheres, the main theorem being "In whatever triangle ABC, straight lines Aa, Bb, Cc are drawn from the angles to the opposite sides so that they all meet at some point O, then they will always have the following property AO/Oa ∙ BO/Ob ∙ CO/Oc = AO/Oa + BO/Ob + CO/Oc + 2."
Published as
Journal article
Published Date
1815
Written Date
1780
Original Source Citation
Mémoires de l'académie des sciences de St.-Petersbourg, Volume 5, pp. 96-114.
Opera Omnia Citation
Series 1, Volume 26, pp.344-358.
Record Created
2018-09-25
E749en.pdf (613 kB)
