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# Title: [Francisci Vietae Opera Mathematica] Francisci Vietæ Opera Mathematica (shelfmark Leibn. Marg. 101)
# Folio 416, page id 845634801:0422
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V ARFORVM DE REBVS NIA THE M AFFCFS
Anouli acuri vel sui exrerioris amplicudo est pertottecta.
Semtetameter canonica circuli datur ex se, es constiruieur pariteutatum 100, 000. L. a
cera crians uli reliqua in unaquaque serie casaneur in isdel, et quaecunque lerupula qua
Iraque ablolvitur corus Machematiens C.anon ter Mmous planis criangulis rectansu
lis 2700, quor ridelicer scrupulis constat dimidius angulus rectus.
A quo syllemate deinceps convercuneur eriangula, qui enim angulus dicebatur is.
quem acurus relinquebar d recto, exindenomen Aelerautumic; alcer iple nomen R
liquie recto. Arque ideo Balis in Perpenareu cransic, X vicererta P’erpendiculut
in Balin, ue Pola opus sic vocum permuratione.
Oux ur oculis Georerrice subjicianeur
Exponarur circulus cujuS E cenerum, quadeitectus d auaBUS diamerris FFG, HE L 8
in quadranre circuli FIG CUIATE qUZ CUnGUE PCripHCtHA C M, e cadane in Cemidian
HOSEC, E HI perpendicula M H, M L. Sed e lateat circulum ad M recta M N, quad
416
scurelidua.
Disterencia aurem inter eam et amplicudinem anguli recti, dicieur complementum;
continuarae lemidia
merri F C, F FY seCenE
in N, O. TriaigituriM
conspicuo lune crian-
outa plana reCtangU
la similia, Primum
ER MI (CV MLC, SC
cundum FM N, TCF
eium OME, lacUS U
num F. MI, commune
habentia, quod qui–
dem primi AE FIypo
renula. secundi BaliS.
cercii Perpendiculum.
quando vicelicet an
gulus ME K, cujus
amplicudinem peri-
pheria CMI detinic,
acuri nomine exaudi
EUE. Idenque laLUS
commune F M con
Ricuirur CemidiaCTCF
que CH bitariant L. Peoret L Panclus pet qua ciique peripherix C I segmett
id est ex instirura parrictote, per tenaseluta quacule parrium quadragenaum qu
narum scruxula, quae sune loca 2700. Fxcoiidem exhibica cerna similia eriansula
ctangula.
Punetum Mmobile contiltic in l, quoniam ab eo ligno idem eltproereslus rerlus
qui regrellus rersus C. laque M H converticur in quandam MC et vice vecta, ut 
vercenda quoque sc Pola denominario lacerum vel angulorum.
POrEO ExpOLIISLLn LC BIS CILa HSIIHS LCCLAHSIII E. K M, F. MN, OM L .
quoque in expolico schemare cernuncur rriangula rria limilia M R N, O L. M, OL L
evidens tr ex ipla constructione.
Vi
deantis circuli Congrueuer.
circuli. Canon isitue Machematieus adsumic latus F. M parelchlarum 100, 000. leclu
Linearum rectarum ad circumferentias relatarum notario. LE de Cano-
nibus sinuum, Facundo, es Facundissimo seu Tryponus ta
Inearum rectarum ad circum terentias relatarum, duxe apud Ceometras reperium
species, inseriprae de circum seriprie. Interipia perrinent ad circumterentias ab us il
cenla5.
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