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 253
me altitude,the first whereof is contnined by the two triangles ABE, CDFand the three parallelograms AD, DE, EC; and the other bythe two triangles GHK, LMN and the three parallelograms LHjHN, NG ; and let one of them have a parallelogram AF, and theother a triangle GHK for its base ; if the… … double a of the same triangle ; therefore the parallelogram AFa 34.1. is equal to HK. But solid parallelepipeds upon equal bases, and of the same altitude, are equal ^ to one another. Therefore theb31.il. solid AX is equal to the solid GO ; and the prism ABCDEF is half c of the solid AX; and the…
Euclid's Elements · Mathematics, Greek · Geometry
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