A solid metallic cone is melted and recast into a solid cylinder of the same base as that of the cone. If the height of the cylinder is 7 cm, the height of the cone was
A20 cm
B21 cm
C28 cm
D24 cm
A20 cm
B21 cm
C28 cm
D24 cm
Related Questions:
The height of the cylinder is 2times the radius of base of cylinder.If the area of base of the cylinder is 154 cm2.Find the curved surface area of the cylinder?