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 187
\m7 I—J—/— c … N A L A L AFG is equal to the triangle LMN, and the parallelogram CFis equal (24. 11.) to the parallelogram ^BN, and CG to BNj forthey are opposite. Therefore the prism which is contained by See Note. See the figures. BOOK XI. THE ELEMENTS OF EUCLID. 185 the two triangles AFG, CDE, and the three…
Mathematics, Greek · Geometry · Trigonometry
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