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# Title: [Philosophiae Naturalis Principia Mathematica] Philosophiæ Naturalis Principia Mathematica (shelfmark Leibn. Marg. 166)
# Folio 89, page id 1041163592:0123
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PRINOIPTA MATHIEMATIOA.
LEMM A XXVI.
Trianculi specie  magnitudine dati tres anculos ad rectas tot-
idem positione datas, quae non sunt omnes parallelae, singulos ad
sinsulas ponere.
Dantur Positione eres rectae intinitxe AB, AC, BC, e OpOr-
cet criangulum D E. F ita locare, uc angulus ejus D lineam AB,
angulus P lincam AC.
ee angulus  lincam
BC FANSAE. SUIDETDF,
D F _E F F describe
eria circulorum (eg-
MEntA D RF, DCF
EMF, quae capianE
angulos angulis BAC.
ABC, AC B aequales
respectire. Describan-
tur aucem haec lesmen-
ta ad eas partes linca-
PUM DF, DF, FF ut
lIECrA D R F D eodem
ordine cum liceris
BACB, lIFETX DGF. D
eodem cum liceris
ABC A. _ litera
F. MF F. eodem cum
literis ACB A in orbem
redeane; deinde com-
pleantur haec legmenta
in circulos intepros. Se
cent circuli duo prio-
restemutuo in G, SnE-
que centra corum F de
Q. Punctis GF, FC
Cape Ca 2d AB ut est
F ad PQ
et cen-
ero Cn interrallo C a
deseribe circulum, qui secet circulum primum D Ci F. in a. FunSAEUE
cum a D secans circulum secundum D FC in b, cum a F. sCcanS Cir-
Sulum
9
PKI M V5.