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    Question

    The diameter and the slant height of a conical tent are

    16 m and 5.6 m, respectively. What length of cloth having width 4m is needed to make the tent?
    A 35.2 m Correct Answer Incorrect Answer
    B 32.5 m Correct Answer Incorrect Answer
    C 32 m Correct Answer Incorrect Answer
    D 35 m Correct Answer Incorrect Answer

    Solution

    ⇒ Surface area of the conical tent = π × (Slant Height) × (Diameter/2)  => (22/7) × 5.6 × (16/2) = 140.8 m ⇒ Total area of cloth = 140.8 ⇒ Length × Breadth = 140.8 ⇒ Length × 4 = 140.8 ⇒ Length = 35.2 m

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