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 237
ch their diameters have. Let ABC, DEF be two spheres, of which the diameters are BC,EF. The sphere ABC has to the sphere DEF the triplicate ratioof that which BC has to EF. For, if it has not, the sphere ABC shall have to a sphere eitherless or greater than DEF, the triplicate ratio of that which… … CE
Mathematics, Greek · Geometry · Trigonometry
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