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 100π Correct Answer Incorrect Answer
    B 121π Correct Answer Incorrect Answer
    C 144π Correct Answer Incorrect Answer
    D 169π Correct Answer Incorrect Answer

    Solution

    R = 5cm h= 12cm volume of the cone = 1/3 πr2 h = 1/3 π ×25×12 = 100 π cm3

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