MathematicsIf the perimeter of base of a cube is 14 cm and its height is 3.5 cm, then its lateral surface area is

If the perimeter of base of a cube is 14 cm and its height is 3.5 cm, then its lateral surface area is

  1. A
    36

    c m 2

     
  2. B
    42

    c m 2

     
  3. C
    49

    c m 2

     
  4. D
    56

    c m 2

      

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    Solution:

     

    Perimeter of base of cube

    p =14cm

    height h =3.5cm

    L.S.A. (1)

    =p×h

    =14×3.5

    =49c m 2

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