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 95
use ABCD is a quadrilateral figure in a circle, anytwo of its opposite angles are equal* to two right angles ; there- e 22. 3.fore the angles ABC, ADC are equal to two right angles; andABC is less than a right angle; wherefore the other ADC isgreater than a right angle. Besides, it is manifest,… … b 32.1. c 10.dcf. 1. 94 THE ELEMENTS Book III. Greek text, and the translations from it, the angle of the greater■■•V-—^ segment is said to be greater, and the angle of the less segment is said to be less, than a right angle. Cor. From this it is manifest, that if one angle of a triangle be equal…
Euclid's Elements · Mathematics, Greek · Geometry
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