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 199
of the solid GO in the points R, S and T. It is evident that OS is asolid paraIlelo|)iped (def. 5. 3. Sup.), and that it has the same altitudewith AF, viz. G<^ or AE. Now the solid AF is to the solid GO in aratio compounded of the ratios of the solid AFto the solid GS (def. 10.5.), and of the…
Euclid's Elements · Geometry · Trigonometry
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