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 365
362 EUCLID S DATA. … any point E in FE draw EG perpendicular to FG; and let therectangle EG, FH be the given space to which the parallelogramis to be made equal, and let EF, FK be the ^ given rectangle to which the sum of the squareof the sides is to be equal. And, by the pre-ceding case, find the sides of a…
Mathematics, Greek · Geometry · Trigonometry
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