A rectangular piece of paper is 22cm in length and 10cm in width. It is rolled into a cylinder along its length. Find the surface area of this cylinder.
A rectangular paper of width 42 cm is rolled along its length and a cylinder of radius 20 cm is formed. Find the volume of the cylinder.
If a sheet of paper of length 10 cm and breadth 5 cm is rolled along its length to form a cylinder, then find the volume of the cylinder. Take π = 3.14.