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    The length of an edge of a cube is 3.5 cm. Find its total surface area.
    Question

    The length of an edge of a cube is 3.5 cm. Find its total surface area.

    A.

    73.5 cm²

    B.

    36 cm²

    C.

    27 cm²

    D.

    154 cm²

    Correct option is A

    Total Surface Area of Cube = 6a2=a^2 = 6×3.52=73.5 cm26\times 3.5^2 = 73.5\, cm^2​​

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