(Ilp) == 



curium priori perfecfle fimilem ct acqualcm C G H N. Cum 

 aircm rccftae AMetAN angulum rcilum inter fe conrtituant, 

 fi cae producanrur vsque iu ;/; ct ;/, ct intra fiugulos angu- 

 los rcdos hoc modo oriundos M A N, MA«, «A;«, ;;/ A N, 

 talis curua dcfcribaiur, orictur curua in ("e rcdicns, vnoque 

 quafi m.anus trudu dcfcripta, quatuor diamctris IVl;/;, N;/, BZ», 

 P/>, totidcmquc nodis prucdita, quae hac proprictatc gaudcbit, 

 vt radius Oiculi iu quolii-ct cius pundo acquctur pnrti quin- 

 tac ter lumtac diftuiuiac puncti curuac a pundo mcdio A. 

 Haccquc curua diametris in puu(f7is C, f, T. y nec non in 

 punctis M, ;;/, N, « normaliter infillit: ^ bi notctur clfe 

 A C =z A f — A r — Ay — o, 625. a A 



AR =zAh — A K — A /k — I, 975. a 

 A M — A w zz: A N — A ;/ — 2, 5C0.. <j 

 exiftentc ^ ~ A F. 



Eiiolntio tcrtii cafiis. 



quo ;; > I. '1^ Jiuu:, j not 1 



§. 2*7. Hoc cafu noftra folutio problcmatis his acqua- 



tionibu* continetur : 



/7 

 z zzz ct 



1 -t- n coi. i x^^» 



>^ ^'' '' — O ^ 1 — j/ izz^ . taug. \i^ ' 



vnde fi, vt cafibus praccedentibus, confians C ita determi- 

 nctur, vt angulus (^ euanelcat , pofito \j^ — o , crit C — o, 



i^eOqUe ,^ ^,.^,., ;i,J^. ^,;^_ 



}' tanti V 



ideoquc 



