圆柱的直径为d,则圆锥的直径是d/3,高h相等
圆锥的体积=1/3*3.14*(d/3/2)*(d/3/2)*h=3.14*d*d*h/108
圆柱的体积=3.14*d/2*d/2*h=3.14*d*d*h/4
两个体积比一下=(3.14*d*d*h/108)/(3.14*d*d*h/4)
=1/27
圆锥的体积是圆柱的27分之1
圆柱的直径为d,则圆锥的直径是d/3,高h相等
圆锥的体积=1/3*3.14*(d/3/2)*(d/3/2)*h=3.14*d*d*h/108
圆柱的体积=3.14*d/2*d/2*h=3.14*d*d*h/4
两个体积比一下=(3.14*d*d*h/108)/(3.14*d*d*h/4)
=1/27
圆锥的体积是圆柱的27分之1