The total surface area of a cube is 864 square cm. What will be its volume?

A semicircle is folded to make a cone. Find the height (in cm) of the cone if diameter of the semicircle is 28 cm?

If the height of a perpendicular cylinder is 10 cm and its curved surface area is 440 square cm, what is its radius?

The ratio of Volume of two spheres A and B is 8 : 1. The Surface Area of Sphere B is 616 cm². Find the radius of sphere A.

What is the total CSA of cone whose radius is 3 cm and height is 4 cm? 

The slant height of a right circular cone is 15 m and its height is 9 m. The area of its curved surface, is:

If the areas of circular ring having inner and outer radius 8 cm and 12 cm respectively is equal to the total surface area of cylinder of radius R₁ and height h, then h in terms of R₁ will be :

A square and an equilateral triangle are of the same perimeter. If the diagonal of the square is  cm long, then the area of the triangle is.