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The volume of a cube is 512 cm 3, Its surface area is?

64 cm2
256 cm2
384 cm2
512 cm2

Correct Answer: 384 cm2

Explanation:

∵ a³ = 512 = 8 x 8 x 8
⇒ a = 8 cm
∵ Surface area = 6a²
=[6 x (8)²] cm²
=384 cm²

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