Question

find total surface area of a cube whose volume is 1728

Answer 1

You have not mentioned rather the volume is in m^3 or cm^3 . I have taken my answer in cm^2 . If it is wrong you should correct it.

Answer 2

Volume of Cube  = 1728 unit³

⇒ a³ = 1728 unit³

⇒ a = ∛1728 unit³

⇒ a = ∛12x12x12 unit³

⇒ a = 12 unit

Now,

T.S.A of cube = 6a²

T.S.A of cube = 6 x (12)²

⇒ (6 x 144 ) unit²

⇒ 864 unit²

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