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    Question

    The volume of a sphere is 2304╧А cm3. Find

    the surface area of the given sphere.
    A 576╧А cm┬▓ Correct Answer Incorrect Answer
    B 676╧А cm┬▓ Correct Answer Incorrect Answer
    C 564╧А cm┬▓ Correct Answer Incorrect Answer
    D 624╧А cm┬▓ Correct Answer Incorrect Answer

    Solution

    Volume of sphere = (4/3) x ╧А X r3┬а{Where 'r' is the radius} 2304╧А = (4/3) x ╧А x r3 Or, r3┬а= 1728 = 123 So, r = 12 cm Surface area of sphere = 4 x ╧А x r2┬а= 4 x ╧А x 122┬а= 576╧А cm2

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