Multiple Choice Questions on If the area of a circle is equal to the area of square with side 2 radic pi units then what is ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

If the area of a circle is equal to the area of square with side 2 radic pi units then what is ...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    If the area of a circle is equal to the area of square with side 2√π  units, then what is the diameter of the circle ?

    1 unit

    Incorrect Answer

    2 units

    Incorrect Answer

    3 units

    Incorrect Answer

    4 units

    Correct Answer
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    Explanation:

    Given, side of square (a) = 2√π  unit
    And, Area of the circle = Area of the square
    ∴  πr2 = a2 = (2√π )2 = 4π
    ⇒  r2 = 4
    ⇒  r = 2 units
    ∴  Diameter of the circle = 2r = 2 × 2 = 4 units

    By: Amit Kumar
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    Ekta Rani

    correct answer is 4

    0 0 reply
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