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Multiple Choice Questions

Three circles of radius 3 5cm are placed in such a way that each circle touches the other two The ar...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    Three circles of radius 3.5cm are placed in such a way that each circle touches the other two. The area of the portion enclosed by the circles is

    1.967

    Correct Answer

    1.658

    Incorrect Answer

    1.35

    Incorrect Answer

    none of these

    Incorrect Answer
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    Explanation:

    required area = (area of an equilateral triangle of side 7 cm)- (3 * area of sector with à = 60 degrees and r = 3.5cm)
    ((√3/4)*7*7)−(3*(22/7)*3.5*3.5*60/360) sq cm
    =(√3/4*49)−(11*0.5*3.5)sq cm
    = 1.967 sq cm

    By: MIRZA SADDAM HUSSAIN
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