MathematicsWhich of the following is the lateral surface area of a cylinder?

Which of the following is the lateral surface area of a cylinder?


  1. A
    2πr2
  2. B
    2πrh2
  3. C
    2πrh
  4. D
    None 

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    Solution:

    Here, we need to find the lateral surface area of a cylinder.
    Area of lateral surface of cylinder =Curved surface of cylinder
    Curved surface of cylinder =Circumference of circular base ×height
    Hence, lateral surface area of a cylinder =2πrh. Therefore, option 3 is correct.
     
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