一个圆柱与一个圆锥的高相等,圆柱的底面半径是圆锥底面半径的1/4,圆柱的体积相当于圆锥体积的几分之几

1个回答

  • 园柱的体积是底面积乘以高=3.14*(1/4*R)*(1/4*R)*H

    圆锥的体积是1/3底面积乘以高=(1/3)*3.14*R*R*H

    [3.14*(1/4*R)*(1/4*R)*H]/[(1/3)*3.14*R*R*H]

    =(1/16)/(1/3)

    =3/16

    答:圆柱的体积相当于圆锥体积的16分之3