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 70
OF GEOMETRY. BOOK III. 69 … point A, and let F be the centre of the circle ABC, and G the centreof the circle ADE; the straight line ^ which joins the centres F, G, being pro-duced, passes through the point A. For, if not, let it fall otherwise, ifpossible, as FGDH, and Join AF, AG :Anil because AG, GF are greater (20.…
Euclid's Elements · Geometry · Trigonometry
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