Mifcellanea Curiofa. 253 



Example L 



Let fc = v , becaufe in this Cafe r = t, 

 ra 



n = 0, therefore - y n is the Term laft 



breaking off, wherefore q — whence ABD 



— vy — av ~\- a \liay*—yi : And confequent- 

 ly if (by Note 4.) you take the Abfcifle 

 y = a, that is, if the Ordinate pafs through 

 the Center of the Circle, there will arife a 

 Geometrically Quadrable Portion fitting it, 

 viz.. Area = <z% that is, the Square of the 

 Radius. 



Example IL 



vy 1 

 Let z. — ■ — • Becaufe in this Cafe r = , 



2«# 2 -|~ 2 



u-i, therefore ~ 1 is the Term 



3^ 



laft breaking off, wherefore q whence 



4 



ABD == — — \r ' V 2*y — and 



2^ 4 4 

 confeq uent ly, if (by Note 4.) you take 



^ there will arife a Geometrically 



Quadrable 



