Apollonius <Pergaeus>, Apollonii Pergaei Conicorvm Lib. V. VI. VII. paraphraste Abalphato Asphahanensi : nunc primum editi ; additvs in calce Archimedis assvmptorvm liber, ex codibvs arabicis mss Abrahamus Ecchellensis Maronita latinos reddidit, Jo. Alfonsvs Borellvs curam in geometricis versione contulit & [et] notas vberiores in vniuersum opus adiecit

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6022Apollonij Pergæi32[Figure 32] dratum O R æquale eſt duplo trapezij R C G O;
11Prop. 1. h. Sed in ellipſi quando ordinata O R cadit infra
centrum
F, tunc quidem ducta E K parallela
C
G, quæ ſecet G F in K, erit quadratum O R
æquale
duplo differentiæ triangulorum F R o, &

F
C G, ſeu F E K, quæ differentia æqualis eſt
trapezio
R E K o, ideoque duo quadrata ex I R,
&
ex R O, ideſt quadratum ex I O æquale erit
triangulis
F C G, &
I R V bis ſumptis dempto
duplo
trianguli F R o.
Quod eſt ęquale triangulo F C G cum
22n duplo trapezij V F, &
c. Addo, quævidentur
in
textu deficere, ſeu cum duplo differentiæ triã-
gulorum
I V R, &
F R o. In hyperbola verò
quadratum
O I æquale eſt ſpatio rectilineo V I C G o bis ſumpto, quare in hyperbo-
la
, &
ellipſi quadratũ O I æquale eſt duplo trapezij I C G S cum duplo triãguli V o S.

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