Question

    A semicircular sheet of metal of diameter 14cm is bent

    into an open conical cup. the capacity of the cup is. Use π = 22/7
    A 46.71 Correct Answer Incorrect Answer
    B 78.11 Correct Answer Incorrect Answer
    C 55.17 Correct Answer Incorrect Answer
    D 53.21 Correct Answer Incorrect Answer

    Solution

    Diameter = 14 R = 14/2= 7 m Capacity of cup = πr3 /8 √3 =22/7 ×7×7×7)/ 8 ×1.73 =1078/13.8 = 78.11cm3

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