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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 40

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 40
BOOK I. THE ELKMENTS OF EUCLID. … therefoie the parallelogram FECG is equal to the triangle ABC,and it has one of its angles CEF equal to the given angle D.Wherefore there has been described a parallelogram FECG equalto a given triangle ABC, having one of its angles CEF equal tothe given angle D. Which was to be done. PROP. XLIII.…

Mathematics, Greek · Geometry · Trigonometry

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