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 219
s thanfour right angles. Let the three given plane angles be ABC, DEF, GHK, anytwo of which are greater than the third, and all of them toge-ther less than four right angles. It is required to make a solidangle contained by three plane angles equal to ABC, DEF,GHK, each to each. OF EUCLID. 217 From… … to AC, DF, GK. Let this be the triangle LMN^, so that AC b 22. tbe equal to LM, DF to MN, and GK to LN ; and about the tri-angle LMN describe *= a circle, and find its centre X, which will c 5.4cither be within the triangle, or in one of its sides, or without it.First, let the centre X be within…
Euclid's Elements · Mathematics, Greek · Geometry
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