Question

    A right triangle ABC with sides 9 cm ,12cm and 15cm is revolved about the side 12 cm. What is the volume of the solid so obtained?

    A 81π Correct Answer Incorrect Answer
    B 324π Correct Answer Incorrect Answer
    C 169π Correct Answer Incorrect Answer
    D 196π Correct Answer Incorrect Answer

    Solution

    R = 9cm h= 12cm volume of the cone = 1/3 πr2 h = 1/3 π ×81×12 = 324π cm3

    Practice Next

    Relevant for Exams: