# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/827130880:0189 # Permalink to this reading: https://leibnizlegible.com/page/827130880:0189?run=74 # Title: An Introduction To Algebra (shelfmark Leibn. Marg. 87) # Folio 173, page id 827130880:0189 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=827130880&page=189 # Source image: https://digitale-sammlungen.gwlb.de/content/827130880/jpgs/default/00000189.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 39 lines, status machine # Lines: 39 recognised, mean confidence 0.86 # Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. # Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text. # Wording rule: say "the machine reads it as …", never "Leibniz wrote". # After the first blank line: the recognised lines in reading order, one per line. o LlX Problem For Example. In che first line OF Pa9, 266, 7. 3: : 20. 60 -: - 7. Or 7. 5:: 12, 60 650 BuT 16, 7:: 25, 205-16. Here theloneer Racius== isto che PhOrrC 25641049. In the second line (marked mith = ) 23, 7: : F20. 34C E MOPTEF = = 4522510269. IF non this question vere proposed ro vou. Pind Eleven commensurablericht lines; mhereos TheEira marbe the Radinsof a Circle Thelecondthe Tancent of an arch of that circle. Thechirdthe Tancent L Thefourchche Secant S of the doubled complement of that arch. ThCFECthe Tancent of athirdarch of that Circle. 84C - - OF 3 240 TheGXEThe Fancent 2of che donbled complement of that chird arch. The sevench the Secant 3 The ciohe a Radius of anocher Circle. Theninchehe Tancent of an archof chis otter cirele. Thetenththe Tancent The elevench the Secant. Fof ihe doubled complement of chis fise arch. Thc tenth line is equaltorhe third mith ticethe second. as alsorothesixt mithtmice the fist. Alsothese threc Rectangles arc equalto one another: made of the se cond line uxon the first and fourth. of thefift upon the first and seventh. of the ninch apon the eichth and eleventh. le requires no great skill to discover thacthis Qveltion is but Our ZZIL P1 blem disouised: and thac che ansivers are innumerable. Wheretore, From else Frstline OF P39, 266, 267, You may BOrrON C. f. 8. l. m. n. P. 9. r. and FrOM his page eno semidiameters. 05 bers by 7 cimes 26, thatis IX2, eo calie array che fractions: TOu Mall have INTCGCF.