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 51
nce every parallelogram that has one right angle has all its angles right angles. B PROP. XLVn. THEOR. IN any right angled triangle, the square which isdescribed upon the side subtending the right angleis equal to the squares described upon the sideswhich contain the right angle. Let ABC be a right… … i 14.1. squares GB, HC ; and through A draw ^ AL parallel to BD or Book 1. CE, and join AD, FC ; then, because each of the angles BAG. ^-—y««> BAG is a right angle <=, the G b 31.1. two straight lines AC, AG, X\ ». «30.Def. cpon the opposite sides of AB, make with it at the point A the…
Euclid's Elements · Mathematics, Greek · Geometry
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