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Show ·\~dP. ' " ' f C7 . ~ • ·{])· LIBER pCrbag;onii i boc quidC.a.g.u.b_.i ~!o _ur.d.l.t:f.c.air9; ~-6.ftp~ ~riau~!'?.a.~ g.cquiangubto rmmsulo.d.c.l.na m pctbagont ponanr admuicc ftlro crnt c,: otf finilionc ftl'uun fnP,fictcy lUISt.d u t~.b.cqualia:~ngulo.c.11arcr~ i~fo ll connncn tia ,ppo~ionalia \l'ldciKct ,ppomo.a.b.ad.d.r.f•rut.b.g-.ad.c.l.cu fun ourem CJ.".J.o, rmif ouoangnli. f.~.l.ftbi inlllctcqualru. 3rCq; ouo llltj .c.'i' .g. ftbi imncC cqualro mmt ouoqoi fmtr.c. t.f.adumicCcqua\c-J q: bac c6i fcia:qnc cquahbuu fuut cqua lia filii qnoq)cqua ciTe nccc~Ccft. fr qt c,.- p1i1111l1:rc. Jo.rcrrij vrcrq; ono¥ an gut lol'.a .b.c.d.c.f.dl rectus fcqnirnr c,.-. J 1.pmni ouoo mansnlos.a.b.c.d.c. f.dTc cq~iJIII)Uioo quare p.crquonii fcpi ,ppoltlo otamcut.a.c.ad okuuct:;<. d.f. C ftcut latcri1.1.a.b.ad larus.d.c.,ppOltlo ouphcato z per cande.oi naq; c.dctia i:~e .• s.rc ~ti ,ppo!tio ono.to·pmdlll!)onov C fLwt ,ppomo larcri"CJ.a.b.nd larus.d.c.,.ppoJtO ouplicam'l QOlndC ,ppomo quadn:m NJmctri.a.c.ad quadralli oi~~;mcm. d.f.fu Hcur tliamctri.o.c.od oiorncq,.d.f.ouplicata per bane c6cm fciam:quo ;z ounidta funtcqtNiia ipfaquoq;adinutci:CITc cqualia. manifdhun cfl qtip!opoli!tllll eft. 11!:)2opoflrio . 2. lJDniii 0110~ cimJio.f ( p1opo1rio ~:~lrcriuo oad alrq: emu i.i_;,ppo1rioquadran1uc t'limnctriad quadranl oiamc1rl Sit ouomwh.a.b.t .c.d.qno;t oiamcrri quocn oicjf.ll o ttaq; 9J,ppo:t6.circuli.a.b.ad circu\ii,c.d.C ficut ~idroti .b. ad quadrati! oiamctri.c.d.rnamfctli'i cni C cy bac c61 nmnl fctcncia qmmtactl qudibct magnitude ad aliqmi fccund:i tanram nccc11C dl dle qm:unhbct tcrti~m ad aliquam quanam 91 plopOliiO quadrati oiamcrri.a.b. adqu~dranunoimnctri.<.d.dl ftmtcirolli .ll.b.ad fupaftcicrn aliquj qucfu.c. cuiufc1iq~ ftgurc am fom•cponaf:blli!Cilutcm impolhb11c C rnai01C e!l'c ll 111111101 rem circulo.c.d. Si cui ell poll1bilc ipf:i ci mino~ circulo.c.d.fir iraq~ lllltlOl i ful pcrfictc.f.iti1Q}drcu!us.c.d.fu cquahG ou:1buu fupcrf1Clcbus.c.1.f. P.i!Cr acccptLs con flat i!ilif c~ p1i1M. 10.(}' toticns pon·u c~ mculo. c.d. !mfq; rcftdui~J fubnabi mains olmldio quou.fq) rc\tnquaf qunnt•tnllaliqullminol.f. mfcnbaturcrgo fthi vt oocct.6.quani quadntt1i.c.d.g.b.oc quo conOat ~l' ip!um fir mam:.J mcd1ctn1 tc mmli:quad~tli cui quod til ouplumad •pfum C cmulum ciraifcribt:na vr pliS t~ pen ultima plinti 'i.,..quarti. 61 igirur po:rtonca Cirmh c~iflmtro fupcr Ia tern q11 11dratt ctrcr accept.: fucnnr ntilllhl fupcrftctc. Uutffcit. 5in a tit qnatuot arcus q:lltnrcG fupcr oicralamll pcrcqml\ia omidall!urtpnnmipfooarcull 011111 dwtia cutn cytramt1U1bU<~ latqzc6tiucnf per lincau rccta,\.o;clbi gratia llrcthl' .C.' g.oiuidai' pcrcqualm 111 puncro.lt.c ,ptrabaui hnrc.lu . t;.g.ficq~oc cclcrhl.fnt q; quinb; trianguloy ocfcnpro;z fu1; latcmlidrati malo1 mcdimrc poltioulo i q t~lftit cow ois rriangul")focJxkoC mcd1ctlll.1 l~a ldlosrmm fnc bafia per ·4'·P!it mi. 5int uaq;po:rionmc.nflcmcvfnrcr latcntocrogottil ittfcriprt r.ircr acccprc minus fnpcrfidc.f.ft cni uondii boc c0i:r:u6 cctrarC oiuidcrc nrcuo qaor la!Cfa \'1 lime O<fcripr~ fi15Urc fuur cOldcpcrcqualia: 'l ifcn'bcrc ftsmllm cquil:ucram ouplo ~'(~---- plurium laraliprimcfcmpcrfubrrabcndoubipftscircnlipOlllOnibu9maius oil ~ . ) mtdioqnoufq;P.P.:Ilii .lo.poni6csfupcrlarcra ahcui~mltllfisorc<ircl'oifniptc ey ~---~ iflitC:tJQifllcccprccnitmin9fupcrfidc.f.fmr5niicijoictcfiir:critq)C,r?C'Pii6cO£ rogom'i.c.d.maiua fupcrHctc .c.in circulo igif .a:b.cadc; VIa infclibar fil'c om,so' num! quod bicatur .a.b. fitq;c,: plcmiiTa ptopouio octQli:Oni.a.b.ttd oaogcnum XII c.d.f1cut ~u~drart 'Oiamctrf.~.b.ad quadratii oiamctri.c.d.iOq) P.. 11.qufntl (kut ;ppoltio orw\i.11.b.ad fut;fictC.c.iraq~ P.lllntarim poUgonij .a.b.ad circulti .a.b.fi rut poligonij .c .. d.ad fuP.fictt.c.ciiq~ fit polig,oni•l.c .d.mailm fu~fick.c. crir polil sonni.a . b . mam ~J orcu\o.ll.b.boc aiit ipotlibilc nO ~:c111o fn1~ficica.c.mfnot clr 1 cu\o.c.d.Scd nee mliol.ffto cui II pofl'1b1\c frt:eti ts•l fit ,ppo!tlo ildrllH oiamCI tri.ll.b .ad qnlldrllui okuttitri.c. d. f1cur circuli. a.b.ud fnpftciC .c .crit cc6ncrfo qu11 drnti b13tncrrt.c.d .odquadratii oimnccri.u.b.ficnr fupcrftcid .c.ad circuh1.11.b.oz ,nat C.li c6i fcin in plhtcipio buiu\J oanonllrationla pofit>l 9' rode C circuli. c.d. !ld tlliqtd fut;f1C1Cqnc fir .f.crirq; c~.14.qninti ful:ficics.f.mi•lol mcu!o. a. b. iraq; ,wo:tio quadrati olamcrri.c.d.ad qus.drotii oiamctri.a.b cit f1cut cimlli.c.d.ad fnl;ilciC. f.mi1101C circulo.u.b.fcdq; boc ocm6fhllnimno p~••to a me fc:qui impof/ ftbdc \'iddiccc po\igoniti infcripui circnlo malna c1Tc cirmlo:ficn! crso fupcrficics c.116 pOt cfli: tmnot cimdo.c.d.ira nee maiOl:crit: cr.,;o nmll'~rio cqualis quare !'I fc.iam panC. .L.~JninttliquctqO;ppof•rii C. 1\~nopofirio .J. 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