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 232
CK are parallelo-grams, CB is equal i> to each of the opposite sides DH, EK;wherefore DH is equal to EK: add, or take away the commonpart HE; then DE is equal to HK: wherefore also the tri-angle CDE is equal c to the triangle BHK: and the parallelo-gram DG is equal ti to the parallelogram HN:… … CG to BN ; for they are opposite, Therefore the prism whichis contained by the two triangles AFG, CDE, and the threeparallelograms AD, DG, GC, is equalf to the prism contain-t C 11. <-d by tlie two triangles LMN% BHK, and the three parallelo-grams BM, IMK, KL. If therefore the prism Lr.INBHK bp…
Euclid's Elements · Mathematics, Greek · Geometry
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