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 415
DATA. 413 to EG, so is H to L : and the figures A, EG are similar, andM is a mean proportional between H and L ; therefore, as wslsshown in the preceding proposition, CD is to EF as H to M. PROP. LX. 55. … IF a rectilineal figure be given in species and mag-nitude, the sides of it sliall be given in magnitude. Let the rectilineal figure A be given in species and magnitude,its sides are given in magnitude. Take a straight line BC given in position and magnitude,and upon BC describe a the figure D…
Euclid's Elements · Mathematics, Greek · Geometry
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