the volume of a cube is 729 cm3. Find its surface area.

 volume of cube -  729 cm3

l3  -    9 [ cube of 729]

surface area - 6l2

= 6*9*9

486 cm2

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 486

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Volume of cube is 729 cm3 
So, it should be 729 /6
Surface area =121.5cm
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Hope this answer will help you.

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Hope this answer will help you.

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Volume of a Cube = Side3
                       729 = Side3
 Cube Root of 729 = Side
                       9 cm=Side

Surface Area of Cube = 6*Side2
                                    = 6*92
                                    = 6*81
     Total Surface Area = 486 cm2
  
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If the volume is same, how to find the length of its diagonals
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121.5
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