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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 138

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 138
BOOK VI. THE ELEMENTS OF EUCLID. 135 … PROP. X. PROB. To divide a given straight line similarly to a givendivided straight line, that is, into parts that shall havethe same ratios to one another which the parts of thedivided given straight line have. Let AB be the straight line given to be divided, and AC thedivided line; it is required…

Mathematics, Greek · Geometry · Trigonometry

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