Clavius, Christoph, Geometria practica

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[191.] II. EX diametro aream circuli vera minorem inueſtigare.
[192.] III. EX circumferentia aream circuli vera maiorem colligere.
[193.] IV. EX circumferentia aream circuli vera minorem concludere.
[194.] DE AREA SEGMENTORVM CIRCVLI. Capvt VIII.
[196.] II.
[197.] III.
[198.] IV.
[200.] VI.
[201.] FINIS LIBRI QVARTI.
[202.] GEOMETRIÆ PRACTICÆ LIBER QVINTVS.
[203.] AREAS Solidorum, corporumue perſcrutans.
[204.] DE AREA PARALLELEPIP EDO-rum, Priſmatum, & Cylindrorum. Capvt I.
[205.] DE AREA PYRAMIDVM & Conorum. Capvt II.
[206.] DL AREA FRVSTI PYRA-midis, & Coni. Capvt III.
[207.] SCHOLIVM.
[208.] DE AREA QVINQVE COR-porum regularium. Capvt IV.
[209.] Capvt V.
[210.] PROPOSITIO I.
[211.] COROLLARIVM.
[212.] PROPOSITIO II.
[213.] COROLLARIVM.
[214.] PROPOSITIO III.
[215.] COROLLARIVM.
[216.] PROPOSITIO IV.
[217.] PROPOSITIO V.
[218.] PROPOSITIO VI.
[219.] PROPOSITIO VII.
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page |< < (290) of 450 > >|
320290GEOMETR. PRACT. LIBER SEXT. vel aliarum menſurarum. Capiatur linea A, palmorum, vel pedum 10. & c. & li-
nea B, palmi, vel pedis 1.
Inuenta C, media proportionali inter A, & B. 1113. ſexti. C, eſſe radicem quadratam, ſiue latus quadra-
209[Figure 209] tum, numeri A, 10.
Quoniam enim 2217. ſexti. tum rectæ C, æquale eſt rectangulo ſub A, &
B, comprehenſo:
Eſt autem hocrectangulum
10.
quod vnitas B, numerum A, 10. multipli-
cans procreet 10.
perſpicuum eſt, rectam C,
eſſe latus quadratum 10.
palmorum, vel pe-
dum, &
c. quod eſt propoſitum.
Rvrsvs inuentis inter A, & B, duabus mediis proportionalibus 3315. hui{us}.& E. Dico E, quæ minori B, propinquior eſt, latus eſſe cubicum, ſiue radi-
cem cubicam, numeri 10.
Quoniam enim cubus rectæ E, æqualis eſt 44Lemma 18.
hui{us}.
pipedo ſub quadrato rectæ B, &
ſub A, recta comprehenſo. Eſt autem hoc pa-
rallelepipedum 10.
quod vnitas B, ſe multiplicans faciat quadratum 1. &
quadratum 1.
multiplicans numerum A, 10. gignat 10. liquidò con-
ſtat, rectam E, eſſe latus cubicum 10.
palmorum, vel
pedum, &
c. quod eſt propoſi-
tum.
FINIS LIBRI SEXTI.
210[Figure 210]

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