# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/845634801:0335
# Permalink to this reading: https://leibnizlegible.com/page/845634801:0335?run=74
# Title: [Francisci Vietae Opera Mathematica] Francisci Vietæ Opera Mathematica (shelfmark Leibn. Marg. 101)
# Folio 329, page id 845634801:0335
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=845634801&page=335
# Source image: https://digitale-sammlungen.gwlb.de/content/845634801/jpgs/default/00000335.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 35 lines, status machine
# Lines: 35 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.

circulu
pet M
23
BC
A
in
A E L
P R OBE E M A V.
Daro circulo, ex duabuslineis deleribere circulum quem datus circulus,
et datxe dux linex rectae contingant.
Sit datus cireulus, cujus A cen-
irum, darx quoque rectae linex
L.C, DB. Oporret delcribere cir-
culum, quem circulus, cujus A
centrum, _ rectae lincaeZC, DB
concinganr. Cadanc in ZC, DB
perpendiculares AL, AD, qux
lecentur ad ealdem parrestm pun-
ctis X, F polira unaquaque recta-
rum Z. X, DF aequalibus semidia-
merro circuli, cujus A CenErUM,
eE PeT Z, F aganTur XLI, FC ip(IS
LC, DB parallelae, e per iplum
Policirius AGFI, quem actX XII,
re E cenrrum circuli, quem da-
rus circulus, cujus A cemrum, et
a lienum delcribatur circulus
EC concingane, ec Gr illius circuli
centrum E. Ermanifectum est Fo-
aX reCta CZ, DB contingent, ob equalia aequalibus addira, vel adempta undecuri.
e incerralla. Leaque cadar ad angulosrectosL. C. Frir ea semidiamerer circuli quaesiri.
TemmaL.
Si duo circuli se mutuo secent, à puncto aurem sectionis ducatur per centrum
nius circulorum linea recta, ea non iran bebit peralterius circulicenerum.
Du0