关于圆锥与球体体积公式的证明关于圆锥与球体体积公式的证明 关于圆锥与球体体积公式的证明 ,,ABCAED EDrADh,,, BCAC,rh ACrBCrAC,,hh 2rr,222SBCACAC,,,(),,C2BChh 2r,2VACdx,,BC2h h22hrr123,,VACdxAC,,22,0hh30 2r1132,,,hrh2,h33 CAABr,, 222xyr,, 22yrx,, 2Sy,,CHIJ 22Vrx,,,(),SCHIJ rrr2222Srxdxrx,,,,()(),,,,,,,,rrr rr123,,x...