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 296
fide ( ) produced, that whole produced fide ( ), and its external fegment (-—-«•-) will be proportional to thefides ( —...- #»</ ), w^/c/i contain the angle adjacent to the external bifecJed angle. For if ■■ be drawn || >*-—•->«« , \ /, (B. 1. pr. 29) ; = ^,(hyP.). = , (B. 1. pr. 29); and…
Geometry
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