Frame the formula for the volume (v) of a hemisphere given by two-thirds o the product of `pi` and cube of radius (r).

Frame the formula for the volume (v) of a cylinder given by the product of pi , square of radius (r) and height (h).

Frame the formula: The lateral surface area of a cylinder S is equal to twice the product of pi , radius (r) and height (h) of the cylinder.

Frame the formula: volume (v) of a cuboid is the product of its length (l), breadth (b), and height (h).

Derive the formula for the volume of right circular cone with radius r and height h.

Frame the formula for the sentence given below. The sum of the cube of p and the product of 8 and q is equal to the sum of the product of 21, s and the product of 4 and the square of r.