Volume 2
The elements of Euclid explain'd. In a new, but most easie method, together with the use of every proposition through all parts of the mathematicks / Written in French, by that exccellent [sic] mathematician F. Claud. Francis Milliet de Chales ... And now carefully done into English. And purg'd from a multitude of errors, which had escap'd in the original.
- Euclid
- Date:
- 1685
Licence: Public Domain Mark
Credit: The elements of Euclid explain'd. In a new, but most easie method, together with the use of every proposition through all parts of the mathematicks / Written in French, by that exccellent [sic] mathematician F. Claud. Francis Milliet de Chales ... And now carefully done into English. And purg'd from a multitude of errors, which had escap'd in the original. Source: Wellcome Collection.
114/392 page 104
![angles :..and becaufethe lines GL and AB ares) fquare. GF (by. the 29. 1.) willbe equal $3 as alfo their fides (by the 6. 1.) Vherefore GF 15! {quare of CB * che re€tangle GC is contain’d]) to AC, and FD equalto BC. | the rectangles which it cuts are fqares. (A, raql, € This.propcfition teaches the mess} iB, 12 thod of extracting the fquare root off) IC, τη “any number propos'd. Ler the nume4) πι ber be A, or 144,reprefented by thee! “fquare AD, and its root by the line ABA «Τ fuppofe ic known from other principles chat “it requires cwocharaGers, 1 imagine theres4) “fore chat the line AB is dividedin C, fad) “chat AC may reprefent the firft character} “and BC the fecond... Then fearching thés “root. of the firft charaGer of the number 1444! | 9 “whichis 100, | findit tobe το; and. makings “ics fquare 100,reprefented by the {quare. GF 4 €] fubfra& ic from 144: and chere remains. - 4.44) “for the reétanoles GC, FL; andthe fquared) “CL: Buc becaufe the figure of a Gnomon 193, re) “not proper for chis operation, I tranfpore ches) | | ‘rectangle FL unto KG , making ane wholes] € Γεδῖ»- 4 # 11 if ANT η IVY, μιά τή [δή fl ALU |! Va ÿ it {WA ep Nah |) fn, iat ANA all (Ph](https://iiif.wellcomecollection.org/image/b30337069_0002_0114.jp2/full/800%2C/0/default.jpg)
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