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 209
eetone another, and are not in the same plane with them, they con-tain equal (10. 11.) angles; therefore the angle EHG is equal tothe angle KDL. Again, because EH, HG, are equal to KD,DL, each to each, and the angle EHG equal to the angle KDL;therefore the base EG is equal to the base KL; and the… … BOOK XII. THE ELEMENTS OF EUCLID. 2or
Mathematics, Greek · Geometry · Trigonometry
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.