Cavalieri, Buonaventura, Geometria indivisibilibvs continvorvm : noua quadam ratione promota

Table of contents

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[451.] THEOREMA XXVI. PROPOS. XXVIII.
[452.] COROLLARIVM.
[453.] THEOREMA XXVII. PROPOS. XXIX:
[454.] A. COROLL. SECTIO I.
[455.] B. SECTIO II.
[456.] C. SECTIO III.
[457.] D. SECTIO IV.
[458.] E. SECTIO V.
[459.] THEOREMA XXVIII. PROPOS. XXX.
[460.] A. COROLL. SECT IO I.
[461.] B. SECTIO II.
[462.] C. SECTIO III.
[463.] D. SECTIO IV.
[464.] E. SECTIO V.
[465.] THEOREMA XXIX. PROPOS. XXXI.
[466.] THEOREMA XXX. PROPOS. XXXII.
[467.] COROLLARIVM.
[468.] THEOREMA XXXI. PROPOS. XXXIII.
[469.] THEOREMA XXXII. PROPOS. XXXIV.
[470.] COROLLARIVM.
[471.] THEOREMA XXXIII. PROPOS. XXXV.
[472.] COROLLARIVM.
[473.] THEOREMA XXXIV. PROPOS. XXXVI.
[474.] THEOREMA XXXV. PROPOS. XXXVII.
[475.] THEOREMA XXXVI. PROP. XXXVIII.
[476.] THEOREMA XXXVII. PROP. XXXIX.
[477.] THEOREMA XXXVIII. PROP. XL.
[478.] COROLLARIVM.
[479.] THEOREMA XXXIX. PROPOS. XLI
[480.] THEOREMA XL. PROPOS. XLII.
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318298GEOMETRIÆ
COROLLARIV M.
_H_Inc apparet, ſi producatur, GO, btcunq; in, E, & circa ſemiaxes,
bel ſemidiametros, HO, OE, deſcribi intelligatur ſemicirculus,
vel ſemiellipſis, HEA, quod, ſi etiam producantur, ST, VX, in, N,
M, &
iungantur, HN, HM; omnia quadrata trianguli, HXM, ad
omnia quadrata trianguli, HTN, regula, OE, erunt in ratione com-
poſita ex ea, quam habet quadratum, XM, ad quadratum, TN, .
i re-
ctangulum, AXH, ad rectangulum, ATH, &
ex ea, quam habet,
XH, ad, HT, .
i. erunt, bt parallelepipedum ſub altitudine, AX, baſt
quadrato, XH, ad parallelepipedum ſub altitudine, AT, baſi qua-
drato, TH.
THEOREMA X. PROPOS. XI.
SI ad axim, vel diametrum datæ parabolæ ordinatim ap-
plicentur duę rectæ lineę eandem ſecantes, deinde ſum-
pto extremo puncto minoris dictarum ordinatim applicata-
rum, &
alio extremo puncto maioris dictarum, ſed non ad
eandem partem, iungantur dicta puncta recta linea;
hæc di-
uidet quadrilineum duabus ordinatim applicatis incluſum
in duo trilinea:
Trilineum igitur conſtitutum in maiori di-
ctarum linearum ad trilineum cõſtitutum in minori tanquam
in baſi erit, vt dicta maior ordinatim ductarum, ſimul cum
tertia proportionali duarum, quarum prima eſt tripla com-
poſitę ex minori, &
dimidia exceſſus maioris ſuper minorem,
ſecunda autem eſt dimidia dicti exceſſus, ad eandem mino-
rem, cum eadem tertia proportionali.
Sit ergo parabola, cuius baſis, BH, axis, vel diameter, NO, due
adipſam vtcunque ordinatim applicatæ ſint, BH, baſis, &
, AM,
minor ipſa, BH, abſcindens parabolam, ANM, ſumatur autem
vtcunque punctum, A, extremum minoris, AM, &
punctum, H,
ad aliam partem de duobus extremis maioris, BH, &
iungantur, A,
H, puncta recta linea, AH, deindeà punctis, A, M, demittantur
verſus, BH, parallelæipſi, NO;
AC, MG, erit ergo, BC, GH,
exceſſus, BH, ſuper, AM, &
, BC, æqualis ipſi, GH, dimidium
dicti exceſſus;
fiat etiam, vt tripla, HC, ad, BC, ita, BC, ad,

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