Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids : to which are added, Elements of plane and spherical geometry (1826)
Playfair, John, 1748-1819, Euclid · Philadelphia : Marot & Walter · leaf 146
es. Wherefore,in right angled triangles, &c. Q. E. D. PROP. XXXII. THEOR. If two triangles, which have two sides of the one pro-portional to two sides of the other, be joined at one an-gle, so as to have their homologous sides parallel to oneanother; their remaining sides shall be in a straight…
Euclid's Elements · Geometry · Trigonometry
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
