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 (1806)
Euclid, Simson, Robert, 1687-1768, Euclid. Elements. Book 11-12. English. 1806, Euclid. Data. English. 1806, Simson, Robert, 1687-1768. Notes, critical and geometrical. 1806, Simson, Robert, 1687-1768. Elements of plane and spherical trigonometry. 1806 · Philadelphia : Published by Mathew Cary, and sold by J. Conrad & Co., S.F. Bradford, Birch & Small, and Samuel Etheridge, printed by T. & G. Palmer ... · leaf 176
efore the rectilineal figure ABHG isequiangular to CDEF : but likewise these figures have their sidesabout the equal angles proportionals: because the triangles GAB,FCD being equiangular, BA is^ to AG, as DC to CF; andbecause AG is to GB, as CF to FD; and as GB to GH, so,by reason of the… … OF EUCLID. ^^5 the rectilineal figures ABHG, CDEF are equiangular, and have ^^okVI.their sides about the equal angles proportionals, they are similar ^^to one another e. ^ l.def.e. Next, Let it be required to describe upon a given straight lineAB, a rectilineal figure similar, and similarly…
Euclid's Elements · Mathematics, Greek · Geometry
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