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If the volume of the cube is 729 cm3 , then the surface area of the cube will be

486 sq.cm
456 sq.cm
446 sq.cm
476 sq.cm

Correct Answer: 486 sq.cm

Explanation:

volume = $a 3$ = 729;

=> a = 9

surface area= 6 $a 2$ = (6 x 9 x 9) = 486 sq.cm

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