Q. 145.0( 5 Votes )

# The volume of a cube is 512 cm^{3}. Its total surface area is

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B.

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Answer :

Volume of a cube = (side)^{3}

Given volume = 512 cm^{3}

⇒ (side)^{3} = 512 cm^{3}

⇒ side = = 8 cm

Total surface area of a cube = 6(side)^{2}

⇒ Total surface area = 6(8)^{2}cm^{2} = 384 cm^{2}

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