Pars altera, continens Geometriam, Trigonometriam et sectiones conicas: 2

ABCD ABCDE aequa aequalia aequatione aequatur aequo altitudines altitudo angu anguli angulorum angulus ACB arcus area axem bases basi basim basin basis bissecat casu centro centrum chorda circuli circulus circumscripti Concipiatur Coroll cosin crus cujus describatur diagonalis ducatur erigatur erit angulus erunt congruentia figura fuerit hujus hypothenusa Igitur inscripti Jungatur latera lateribus laterum latus linea recta major nimirum parallela parallelepipedum parallelogrammum perimeter peripheria perpendicularis perpendiculum plana lateralia planis plano planorum planum MN polygoni polygonum prisma prismatis Problema prodibit proin proinde angulus proinde erit punctum pyramides pyramis quadratum radii radio radius rectus secabit segmento segmentum soliditas Solutio sphaerae super superficies Supponatur tang Theorema trian triangulis triangulo ABC triangulo rectangulo triangulum verticem