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 94
andIt ts described about the circle ABCD. Which was to be done. PROP. Vin. PROB. To inscribe a circle in a given square^ ^^nV^i?^^ ^^ *^^ ^^^^ square; it is required to inscribe a elrck Bisect (10.1.) each of the side* AB, AD, in the points F, E, andthrough E draw 31. 1.) EH parallel to AB or DC,… … 94 ELEME?rrS and that AE is the half of AD, and AF the half of AB, AT. is enual toAF; wherefore th? sides opposite to these are ecjual. viz. FG toGK: in the same manner, it maybe demonstrated, that GH,GK, artseach of them equal to FG or GE; there-fore the four straight lines, GE, GF, GH,GK, are…
Euclid's Elements · Geometry · Trigonometry
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