%% DERESOLVTIONE 



pofito iwquc 



; ~, ^ — r.T— fin. E , 



confcJjucmur 



</-i ccol.D — <.o(.Ey{a-\ ^jf <rfir. D)(<7-i-/i-cfin.D> 



Tab I. 5'S!i"''r' raiiicale indicat dupliccm pro d inucniri 

 Fig. 5. valorcm 5 dudlu fcilicet quadriJateri ABCJ) diago- 

 nali aC, dcfcrib.itur (upcr ca Kgmcstum c rculi qucd 

 fufcipiat dngul:'.m CDA~i8o-D, critquc pun- 

 <ftiim D quadnlatcri in circumftnntia luiius K'gmt:iiti, 

 i.bique inucnictur vbi ciicuius ccntro C raJio i^ c 

 defcriptus hoc fcgmcatum interrecct , dnm igtur 

 duo liiibcntur punda intcrf:dionum D , D' , bini 

 emcrgent \:ilorcs lateris d , OjUorum vinis A D altcr 

 A D'. Notandnm autem eft , duda C E normnli 

 in A D , ficri E D — — ^ cof. D et 



AE—V(^C-CE')-V(aa'\-^^bco\\B-{-Ob-C(;Cu).T)") 

 quam ob rem cflfe debebit <f — E D -h A E , qeo- 

 rum valorum prior cxprimit A D , aUcr A D'. 



7. Problcma 6. Dctls ommbus latcribus qua- 

 drihteri et angulo B , inueniye cnguhm D. 



Huius proWcmatis (olutio cx acquatione fccunda 

 pcnJet , pcr quam fit 



d d -\- ^ c dcolT) -\- c c~ c a -\- iabzolC-\-bb ^ 

 ideoqu» 



_ r r\ ta-^-lh — c< — rfrf-i-;a?'fe f. B . 



a C J 



cacte- 



