The volume of a cone is 1570 cm³ and its height is 15 cm. What is the radius of the cone? (Use)

The volume of a right circular cone of height 12 cm and base radius 6 cm, is

How much cloth 2.5 m wide will be required to make a conical tent having base radius 7 m and height 24 m?

The height of a cone is 21 cm and its slant height is 28 cm. The volume of the cone is

The volume of a right circular cone of height 24 cm is 1232 cm³. Its curved surface area is