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 176
D … * See Note. 174 THE ELEMENTS OF EUCLID. BOOK XI, From the straight lines containing the angles, cut off AB, BC,DE, EF, GH, HK, all equal to one another; and join AC, DF,GK; then a triangle may be made (22. 11.) of three straight linesequal to AC, DF, GK. Let this be the triangle LMN (22. 1.) sothat…
Mathematics, Greek · Geometry · Trigonometry
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