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 (1834)
Euclid, Euclid, Simson, Robert, 1687-1768 · Philadelphia : Desilver & Thomas · leaf 273
270 NOTES. BOOK VI. … FAD B G Let AB be the given straii>ht line, and let the square upon thegiven straight line C be that to which the rectangle to be appliedmust be equal. Bisect AB in D, and draw BE at right angles to it, so that BEbe equal to C; and having joined DE, from the centre D at thedistance DE describe a…
Mathematics, Greek · Geometry · Trigonometry
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