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 184
angular parallelo-grams, &c. Q. E. D. PROP. XXIV. THEOR* THE parallelograms about the diameter of any see n.parallelogram, are similar to the whole, and to oneanother. Let ABCD be a parallelog^ram, of which the diameter is AC ;and EG, HK the parallelograms about the diameter: the… … 182 THE ELEMENTS BookVI. rallels, the angle ABC is equal to the angle AEF : and each ^—-V—-^ ol the angles BCD, EFG is equal to the opposite angle DAB •>, b 34. 1. and therefore are equal to one another; wherefore the paral-lelograms ABCD, AEFG are equiangular: and because theangle ABC is equal…
Euclid's Elements · Mathematics, Greek · Geometry
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
