POTERVNT, ſi placet, hæ duæ figuræ tribus illis propoſitionis
ſecundæ lib. 3. adiungi, vt omnes caſus lineæ perpendicularis FL, per-
ſpiciantur. In prima namque harum figurarum ſegmentum inſiſtens
112[Figure 112]
AFB, eſt ſemicircu-
lus, caditq́, perpendicu
laris FL, intra ſegmen
tum ADB: In poſte-
riore autẽ eadem FL,
in ipſam circunferen-
tiam ADB, cadit,
exiſtente eodem ſegmen
to inſiſtente AFB, ſe-
micirculo; quemadmo-
dum & in tertia figura dictæ propoſitionis idem ſegmentum inſiſtens
AFB, ſemicirculus eſt, lineá perpendicularis FL, extra ſegmentum
ADB, cadit. Hoc, benigne lector, te latere noluimus.
ſecundæ lib. 3. adiungi, vt omnes caſus lineæ perpendicularis FL, per-
ſpiciantur. In prima namque harum figurarum ſegmentum inſiſtens
lus, caditq́, perpendicu
laris FL, intra ſegmen
tum ADB: In poſte-
riore autẽ eadem FL,
in ipſam circunferen-
tiam ADB, cadit,
exiſtente eodem ſegmen
to inſiſtente AFB, ſe-
micirculo; quemadmo-
dum & in tertia figura dictæ propoſitionis idem ſegmentum inſiſtens
AFB, ſemicirculus eſt, lineá perpendicularis FL, extra ſegmentum
ADB, cadit. Hoc, benigne lector, te latere noluimus.