Archimedes - Archimedis De iis qvae vehvntvr in aqva libri dvo

Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

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FED. COMMANDINI

tes æqueponderantes ipſam diuidet.

2 Priſmatis, cylindri, & portionis cylindri axem
appello rectam lineam, quæ oppoſitorum plano-
rum centra grauitatis coniungit.

3 Pyramidis, coni, & portionis coni axem dico li
neam, quæ à uertice ad centrum grauitatis baſis
perducitur.

4 Si pyramis, conus, portio coni, uel conoidis ſe-
cetur plano baſi æquidiſtante, pars, quæ eſt ad ba-
ſim, fruſtum pyramidis, coni, portionis coni, uel
conoidis dicetur; quorum plana æquidiſtantia,
quæ opponuntur ſimilia ſunt, & inæqualia: axes
uero ſunt axium figurarum partes, quæ in ipſis
comprehenduntur.

THEOREMA I. PROPOSITIO I.

Omnis figuræ rectilineæ in circulo deſcriptæ,
quæ æqualibus lateribus, & angulis contine-

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