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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 206

An illustration from 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, leaf 206
circumference; and the angle FLG is, for the samereason, equal to the angle FNG: therefore also the angle AMB isequal to FNG: and the right angle BAM is equal to the right(3L 3.) angle GFN; wherefore the remaining angles in the trian-gles ABM, FGN are equal, and they are equiangular to one…

Mathematics, Greek · Geometry · Trigonometry

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