Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids : to which are added, Elements of plane and spherical geometry (1826)
Playfair, John, 1748-1819, Euclid · Philadelphia : Marot & Walter · leaf 34
er sides shall be equal^eaeh to each, viz. AB to DE, and ACto DF; and the third aui^le BAC to the third angle EDF. For, if AB be not equal to DE,oue of them must be the greater.Let AB be the greater of the two, and make BG equal to DE, and joinGC ; therefore, because BG is equal to DE, and BC to… … 34 ELEMENTS
Euclid's Elements · Geometry · Trigonometry
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