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 135
CF (4. 6.); for the same reason,FD; and because of the equi-GH:: F D : FE; tlierefore,GH : : CF : FE. whole CFE: for the same reason, the angle ABH is equal to the an-gle CDE ; also the angle at A is equal to the angle at (J, and the an-ole GHB to FED: Therefore the rectilineal figure ABHG is…
Euclid's Elements · Geometry · Trigonometry
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Works. Popular edition.] 2 series (1886)](https://img.insideoutlibrary.com/img/200/bl-bl_003191336_9-361-1.webp)
