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# Title: Ioachimi Iungii Philos. ac Medic. D. & Gymnasii Hamburgensis Rectoris Geometria Empirica (shelfmarks Leibn. Marg. 9a; ZEN Leibn. Marg. 9a)
# Folio 39, page id 73061350X:0047
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302
4 Ouadransulum (Ouadrilarerum) circulo inlcripitiu
oppolicosangulos simus lumpros ABC, de CDA, irenID AB.
EBCD duobusrectis aequales habet..
251 Si binae reccxe circulum lecantes AB, CD; conCurraNE:
Erc exera; sire inera circulum, extraram en peripheriam) in:
Bi legmenta unius earum a peripheridad concurluminter-
cepea AF, BF, rectangulum comprehendunc; xquale recta
sulo, sub alrerius legmentis similirerintercepcisDE, CB,
corriprehenso:
CorOII. Pinclicet dato rectangulo rectanculum aequale construere.
16. Si exeodem puncto E, rectaun.
lccer circulum; rectangulum sub
Pheriaadcommunanunetur
exilteNS,a GuatU.
17. Rectilineor
cius elts quodlatero.
PAFO F.
Sac, alcera F BA.
lecancis, aperi-
veiSi (FC, Tub AE, BF.)
AEISF. F..
inaccrum iloperimerrorum capa
ire angulotius eAt.
29. Rectilineorum. 1. operimerrorum ordinarum; capa
cius eltnon ordinato:
r9.. Trrargulorum ilolcelium (quorum urrumque vel
acuransulum, vel obculangulum est) id quod balin cruribo
inaequaliorem tiabet, minus eltiideoq eriam (calenoilope-
timeero aliquodiloscelesminus esse porest:
20: Parallelosrammorum iloperimerrorum capocius
e quodmasis aqualium ansulorum est; sirequodadre.
ctangulum propius accedit.
21. Ouo lacerosius estordinatum polygonun; eo minus
excedirejusrel area; vel perimerer; inscripci circuliaream
vel peripheriam: icem eominus deticicejus relarca, vel pe-
rimerer; d circum scripri circuli vel area vel peripheria.
22. Circulus omnium iloperimerrarum tgurarum ca-
Pacillimus ect.
Probl. 20. C IrCa d
nimam D AF, (C1.
1
duut diemetres
Tetros, maximam BAC, mi
itioe
u in A centronormaliter de
CuNon-apparente,. Ollipsn deleribere.
Citra velulta Ci
itra incerradum BD sire n
Pentre quocunquee
ea r
elta.
e e