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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 224

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 224
See Note 222 THE ELEMENTS OF EUCLID. BOOK XII, got! EOFPGRHS, and vertex N, is greater than the solid X. De-scribe also in the circle ABCD the polygon ATBYCVDQ simi-lar to the polyg-on EOFPGRHS, upon which erect a pyramidhaving the same vertex with the cone; and let LAQ be one of thetriangles…

Mathematics, Greek · Geometry · Trigonometry

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