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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 82

An illustration from 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, leaf 82
eequal to the remaining rectangle BE, ED. Lastly, Let neither of the straight lines AC, BD pass throughthe centre: take thecentre F, and throughE, the intersection of the straight linesAC, DB draw the diameter GEFH: andbecause the rectangle AE, EC is equal,as has been shown, to the rectangle GE,EH:…

Mathematics, Greek · Geometry · Trigonometry

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