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    Question

    Find the diameter of the sphere whose volume is 381(6/7)

    m³.
    A 8 m Correct Answer Incorrect Answer
    B 7 m Correct Answer Incorrect Answer
    C 9 m Correct Answer Incorrect Answer
    D 18 m Correct Answer Incorrect Answer

    Solution

    Volume of sphere =4/3 π r 3   4/3 π r 3 =2673/7 r 3 =2673×3)/22×4 =729/8 r =9/2 Diameter =9/2 ×2 =9m 

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