MAHARASHTRA Class 10: Combination of Solids Videos | Surface Area: Combination of Solids

The surface area of a sphere is 

The area covered by a road roller is 35 m in 10 revolutions. Find the circumference of the road roller. 

The radius of the base of a cone is 3 cm and the slant height of the cone is 5 cm. Find the height of the cone. 

If the lengths of the sides of a cube are doubled, then the surface area of the new cube is _____ the original.