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    Question

    A right triangle ABC with sides 5 cm ,12cm and 13cm is

    revolved about the side 12 cm. What is the volume of the solid so obtained?
    A 100╧А Correct Answer Incorrect Answer
    B 121╧А Correct Answer Incorrect Answer
    C 144╧А Correct Answer Incorrect Answer
    D 169╧А Correct Answer Incorrect Answer

    Solution

    R = 5cm h= 12cm volume of the cone = 1/3 ╧Аr2 h = 1/3 ╧А ├Ч25├Ч12 = 100 ╧А cm3

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