J34 pRANCISCi BeIVTELLI 



AG = <p 



A13E = V' + 90<' 



EBAC = <? 



ABE = i// + 90° 



ACD = <^ + 90° 

 (5)....EBACDE....^^^^j^^^^^^^,^,, 



EBACD = <? 



ABE = i/' + 90' 

 AF = 90" 



EBAF = 90'' — <9 



AC = ^ 



AG = 90° 



(7) CAGC <^ __ „ -'_„" 



^ ■' J Cos. CG = Cos. a =« 



CAG = 90°-H^ 



ACD = <^ + 90° 



AG = 90" 

 (8).... I>CAGD....^^^^^^^c^^^,_3„ 



DCAG = 90'" + ^. 



Quocirca valores, quos quaerimus, tali forma assequeraur, 

 idesl 



