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    Question

    If the volume of a solid hemisphere is 155232cm┬│ then

    find the diameter of the solid hemisphere.
    A 84cm Correct Answer Incorrect Answer
    B 42cm Correct Answer Incorrect Answer
    C 72cm Correct Answer Incorrect Answer
    D 68cm Correct Answer Incorrect Answer

    Solution

    The volume of a solid hemisphere =2/3 ╧Аr3 2/3 ╧Аr3┬а┬а = 155232 2/3 ├Ч22/7 ├Чr3 = 155232 r3= 3528├Ч21 =441├Ч8├Ч21 r=21├Ч2= 42┬а┬а┬а┬а┬а┬а┬а┬а┬а┬а Then diameter of solid hemisphere = 42 ├Ч2=84cm

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