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    Question

    The volume of the conical tent is 1232 m3 and

    the area of its base is 154m2.Find the length of canvas required to build the tent. If the width of canvas is 5 meters.
    A 128m Correct Answer Incorrect Answer
    B 121m Correct Answer Incorrect Answer
    C 110m Correct Answer Incorrect Answer
    D 142m Correct Answer Incorrect Answer

    Solution

    ╬аr2 =154 22/7├Чr2=154 R = 7cm And now volume of the conical tent =1232 1/3╧Аr2 h=1232 1/3 ├Ч22/7 ├Ч49 ├Чh = 1232 h= (1232├Ч7├Ч3)/22├Ч49=24m l = тИЪ 576+49 = тИЪ 625 =25cm Area of the canvas required to build the tent = ╧А r l Which will equal to the area of the rectangular canvas. ╧А r l = 2├Чlength of canvas 22/7├Ч 7├Ч25 = 5 ├Ч length of canvas length of canvas =22├Ч5 = 110m

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