Q3 of 94 Page 228

The volume of a cube is 343 cm3. Its total surface area is

Given that,

Volume of cube = 343 cm3


a3 = 343 cm3


a =


a = 7 cm


We know that,


Total surface area of cube = 6a2


= 6 × 7 × 7


= 294 cm2


Hence, option C is correct

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