Advanced geometry for high schools : synthetic and analytical (1919)
McDougall, A. H. (Alexander Hiram), 1859-1946 · Toronto : Copp, Clark · leaf 14
C D^ Fiq. 1. Fia. 2. A transversal cuts the sides BC, CA, AB of the AABC in the points D, E, F respectively, thenAF . BD . CE = FB . DC . EA.Draw AX, BY, CZ j_ to the transversal.From similar As:— ^Fx, P F YAF = AXFB BY ss-s a CE CZ cEz.,*FX and ^A = ^ By multiplication A>x ^X 21- 1 K£*H? FB X…
Geometry · Geometry, Analytic
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