圆柱与圆锥的底面半径比是4:3,
则圆锥底面积:圆柱底面积=(3*3):(4*4)=9:16
高相等
1/3*s锥*h;s柱*h
=1/3×9SH;16×SH
=3SH∶16SH
=3∶16
圆锥:圆柱=3∶16