Surface area of a cylinder
1)Find the lateral surface area of right circular cylinder, if its base has a radius of 14cm and its height is 15cm. 
  

2)The curved surface area of a right circular cylinder of height 14 cms is 88 sq.cm. Find the diameter of the cylinder. 
  

3)Find lateral surface area of cylinder with height 9 ft. 
  

4)A cylinder has radius 4cm and height 6cm. Find curved surface area. 
  

5)What is the formula to calculate area of curved surface of a cylinder?