*[ 208]‘ ‚Pone DN xqualem duplo ejus 2 SLZLDCALB:&"ordinatzparsı data 2. SL.düCa in Jongitudinem 4 B-defcribet aream redangulam 2 SL x AB; 8& pars indefinita L D du&a normaliter in

candem longitudinem per motum continuum, ea lege ut intermovendum crefcendo vel decrefeendo gquetur femper Tongitu-

‚dmiL D, deferibet aream Pl.— LA id eft,arcam'S LxA B;

2"que fubduca de area priore 2$Lx AB relinquit aream$Lx

ALB

AB. Pars autem tertia ID ducta itidem per motum. Jocalem

‚Hormaliter in candem Jongitudinem, deferibet aream-Hyperboli-Cam; quz fubducta de area SL x AB relinquet aream- quefitamABNA.«Unde talis emergit Proble- 2 a“matis conftructio. Ad pundta L, A,Berige perpendicula L 4’ A 4, Bb, quo-rum’ Aa ipli L 5,& Bb pi LA que?tur.+ Afymptotis L/, L B, per’pundaa; b..deferibatur- Hyperbola ab. Etaa chorda ba claudet aream aba:a-;rex quelite ABN A zqualem. fin“ Exempl.‘2. Si.vis centripeta.ad fin- LAT rngülas Spherz particulas tendens fitre-.*ciproce ut cubus diftantix, ‚yvel,(, quod perinde-eft) ut cubüus il-P Ecnb,% y2 A5q? Fa?BER 0 SED SS AST AOdein ABS Dipro PEg.5.& fiet DN ut PSSEDI SPS= SFS«EDE def Geb continue proportionales_P$ 45,

le applicatus ad planum quodvis datum; feribe

tres