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 153
E; and because the parallelogram GH isgreater than EL, therefore the side KH is greater than FL, andKG than FE: produce FL and FE, and make FLM equal to KH,and FEN to KG, and complete the parallelogram MN. MN istherefore equal and si-milar to GH, but GHis similar to EL;wherefore MN is si-milar to… … See Note. BOOK VI. THE ELEMENTS OF EUCLID. I5i to EL and C: take away the common part EL: then the remain-der, viz. the gnomon NOL, is equal to C. And because AE isequal to EB, the parallelogram AN is equal (36. 1.) to the paral-lelogram NB, that is, to BM (43. 1.). Add NO to each; there-fore the…
Mathematics, Greek · Geometry · Trigonometry
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