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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 248

An illustration from The first six books of the Elements of Euclid, in which coloured diagrams and symbols are used instead of letters .., 1847, leaf 248 — > (B. 6. pr. i); but !■*■»*■ t I I » I (hyp-), ■7 ■ ♦. • • \ (B. 5- Pr- 11 ,7= 3 (B-5-P>-9); but they are on the fame bafe -■■■■••■■• and at thefame fide of it, and- II (B- i-pr. 39). Q. E. D. 2l6 BOOK VL PROP. III. THEOR. … RIGHT line ( ) bifecling the angle of atriangle, divides the op-pojite Jide into fegments—-----) proportional to the conterminous Jides (. )• And if a Jlraight line (• ) drawn from any angle of a triangle divide the oppofte fde (—^—■■■■■■) into fegments ( 9 ...-......) proportional to the…

Geometry

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