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 214
ids which have the polygons ABCDE, FGHKLfor their bases, and their vertices in the points M, N, be of thesame altitude: as the base ABCDE to the base FGHKL, so isthe pyramid ABCDEM to the pyramid FGHKLN. Divide the base ABCDE into the triangles ABC, ACD, ADE;and the base FGHKL into the triangles… … F
Mathematics, Greek · Geometry · Trigonometry
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