The first six books of the Elements of Euclid, in which coloured diagrams and symbols are used instead of letters .. (1847)
Euclid, Byrne, Oliver · London, W. Pickering · leaf 154
BOOK III. PROP. XXXV. THEOR. 120 FIGURE I. … bifedled in the point of interfedtion, hence the rectangles under their fegments are the fquares of their halves, and are therefore equal. FIGURE II. FIGURE II. Let —■»——■— pafs through the 'centre, and __..... not; draw and . X Then (B. 2. pr. 6.), X or X x = (B. 2. pr. 5.). FIGURE III. FIGURE…
Geometry
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