Multiple Choice Questions on The slant height of a right circular cone is 13 m and its height is 5 m Find area of the curved surf........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The slant height of a right circular cone is 13 m and its height is 5 m Find area of the curved surf...........

Quantitative Aptitude ( CCS) Mensuration 3D
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    The slant height of a right circular cone is 13 m and its height is 5 m. Find area of the curved surface.

    490.28 m2

    Correct Answer

    288.28 m2

    Incorrect Answer

    450m2

    Incorrect Answer

    200 m2

    Incorrect Answer
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    Explanation:

    Area of curved surface = πrl
    Now r = √(132 - 52) = √169 - 25 = √144 = 12m
    Required Area= (22/7) x 13 x 12 = 490.28m2

    By: MIRZA SADDAM HUSSAIN
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