Advanced geometry for high schools : synthetic and analytical (1919)
McDougall, A. H. (Alexander Hiram), 1859-1946 · Toronto : Copp, Clark · leaf 62
It is required to show that A, P, C, Q is a harmonic range. In A ACF, AB, CD, FQ drawn from the vertices andmeeting the opposite sides at B, D, Q are concurrent atE and .*., by Cevas Theorem, FD. AQ. CB = DA . QC. BF. *■?*.% 50 SYNTHETIC GEOMETRY The transversal DPB cuts the sides of the A ACF at…
Geometry · Geometry, Analytic
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