The volume of cone with radius 2 cm and height 6 cm is ……….. cm³.

The volume of hemisphere with radius 1.2 cm is ……….. cm³.

The volume of sphere is in 4/3 π cm³. Then its diameter is ………. cm.

The diameter of the base of cone is 10 cm and its slant height is 17 cm. Then the curved surface area of the cone is ………. cm².

The diameter and the height of the cylinder are 14 cm and 10 cm respectively. Then the total surface area is ……….. cm².