Multiple Choice Questions on What is the volume of a right circular cone whose radius of base is 70 cm and curved surface area is........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

What is the volume of a right circular cone whose radius of base is 70 cm and curved surface area is...........

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    What is the volume of a right circular cone whose radius of base is 70 cm and curved surface area is 40040 cm2?

    839500 cm3

    Incorrect Answer

    713400 cm3

    Incorrect Answer

    862400 cm3

    Correct Answer

    462320 cm3

    Incorrect Answer
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    Explanation:

    r = 70
    (22/7)*70*l = 40040
    So l = 182
    h = √(182) 2 – 702 =168 cm
    so vol = (1/3)*(22/7)*702 *168 = 862400 cm3

    By: Amit Kumar
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    Ramya Reddy Kukkala

    Can u explain how we get 862400 answer briefly

    0 0 reply
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