in axcm Aa perpendicuro UT, erit A.Tn; et T U ~ u. 

 Taiitnm igitur .fiipcred,, vc quaiUiras k ita determinetur , 

 vt ciuiia triangiiL-uis tdta intra trianguluin A B Ccadat, 

 fimtilfiue eius cilfpides in angulos ipfos A , B et" C in- 

 cidant; fpoiue aii'eiri prima cufpis in piiniflum A incidit , 

 quia fumto p zzoo fit tam / zn Q quam « ~ o. 



/. 



111°. Pro fccunda igitur cufpide , quae in pundum 

 B, cadere debct, afiumamus /> — (3, quo facfto fiet 



t — — fe ( P — 7) (^ P — 1 ) — k - 1 q — V) p^ 



u ~ (-p^-Yi- NecefTe igitur ell vt fiat 

 1 1 -\- u u zz: h b, vnde fit 

 ^',^^?^f=^^bb, ideoque k::^^-^^f^^;- 



IV°. m vero 

 hinc igitur erit 

 hinc 



quibus valoribus fubflitutis reperitur 



s 



, (■4^^4-2^^— fl /3)*, 



108 A A 



qua quantitate cognita adepti fumus aequationcm algebrai- 

 cam pro curua triangulari, infcribenda triangulo ABC, 

 quani defideramus. 



Hd D % Coro- 



