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 395
ion. e 31 dat. PROP. XXXVIII. IF a straight line be drawn from a given point totwo parallel straight lines given in position, the ratioof the segments between the given point and the pa-rallels shall be given. Let the straight line EFG be drawn from the given point Eto the parallels AB, CD, the… … given in position a ; and AB, CD are given in position; there»a 33. dat.fore b the points H, K are given: and the point E is given ; b 28. dat.wherefore c EH, EK are given in magnitude, and the ratio d ofc 29. dat.them is therefore given. But as EH to EK, so is EF to EG, ,j j j^^_because AB, CD are…
Euclid's Elements · Mathematics, Greek · Geometry
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