MathematicsFind the length of the side of a cube whose total surface area is  216   square cm.

Find the length of the side of a cube whose total surface area is  216   square cm.


  1. A
    4cm
  2. B
    6cm
  3. C
    8cm
  4. D
    7cm 

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    Solution:

    IMG_256
    Given, total surface area of the cube 216c m 2  ..
      6 l 2 =216  
    When the number in multiplicative changes its side, it goes to division and vice-versa.
    l 2 = 216 6 l 2 =36 l=6cm  
    Hence, the required ans is length of the cube is 6cm  .
    So, option 2 is correct.
     
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