The elements of Euclid : viz, the first six books, together with the eleventh and twelfth : the errors, by which Theon, or others, have long ago vitiated these books, are corrected, and some of Euclid's demonstrations are restored : also, The book of Euclid's data, in like manner corrected (1834)
Euclid, Euclid, Simson, Robert, 1687-1768 · Philadelphia : Desilver & Thomas · leaf 323
angular and similar to the triangle GHK; and thetriangle GHK is given in species; therefore also the triangleABC is given in species. Cor. If a triangle is required to be made; the sides of whichshall have the same ratios which three given straight lines D, E,F have to one another; it is necessary…
Mathematics, Greek · Geometry · Trigonometry
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.