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# Title: [Vera Circuli Et Hyperbolae Quadratura] Vera Circvli Et Hyperbolæ Quadratura (shelfmark Leibn. Marg. 98)
# Folio 126, page id 834940469:0210
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=834940469&page=210
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 38 lines, status machine
# Lines: 38 recognised, mean confidence 0.88
# 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.
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# After the first blank line: the recognised lines in reading order, one per line.

X26
Ecripcam, dc ideo pyramis inscripea muleo minor est eadem
prramide balem habence planum aequale superticiei conice
ACEBIL S alcicudinem M F, sed prramis inscripea eriam
minor ekprramide conica; prramisisitur inleripea minon
eA prramide conica de minor ceiam prramide conicam lu.
perticiem basem habence, prramis rero circum (cripea urra-
vis horum prramidum demonaraca est maior, e ideo maior
est differecia incer prramidem circum scripeum ae inscriptam
quam incer pycamidem conicam ee prramidem qux superi-
eiem conicam probale habet; scd ditferencia incer prrami.
dem circum Ccripeam ee inscripeam eA minor quam a, et prO-
inde differentia incer prramidem conicam e prramidem
quae supersiciem conicam pro base habet) es muleo minor
quam a, quod ec absurdum, ponitur enim a differentia incer
dictasprramides; non ergo differuneprramis conica AMC
LBIL e prramis cuius basis eat superficies plana cqualis co-
nicae superticici ACEBIL. ee alcicudo recta MF, de ide0
aequales lunc, quod demonctrandum erae.
Ex verrice coni Ainbalem pyramidis COnICX MCEBIL CA
OpuS CA) productam demieracur perpendicularis recta AHI
manitellum est ex hoc Theorcmate M F eAe ad ANVEBaSIS
Pyromidis conicx M GFBI L ad suverticiei coniex porrio
DCM ACFBIL.
P R O P. 68. ZHI P O R F M A.
Si in rectilineo quocunque aequilatero assienetur punctum, e ab illo
duncto in omnia rectilinei latera demittamur perpendiculares
ecta; erit rictanculum ex semisse summa perpendicularium es
perimetro rectiinei ad rectilineum, ut numerus laterum re-
Etilinei ad Enitatem.
Ic rectilineum aequilacerUm ABCDE: a puncto O intra
icctilineum demirraneur in omnid rectilinei larera Per:
pen.
ato
=RW
A
=1 fici
sints