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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 41

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 41 — 0 bifeSl a given reSlilinearangle 4 ). Take (Pr- 3-) draw , upon which defcribe ^f draw —^— (pr. i.), … Becaufe ———. = ___ (confl:.)and ^—i— common to the two triangles and (confl:.), A (Pr. 8.) Q. E. D. 10 BOOK I. PROP. X. PROB. O bifefi a given finite Jiraightline ( ««■■■■).

Geometry

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