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    If x and y represent the length and breadth of rectangular region the whole area of window is maximum, then value of x is:
    Question

    The window of the house is in the form of a rectangle surmounted by a semi-circular portion, having a perimeter of 10 m as shown in figure.


    If x and y represent the length and breadth of rectangular region the whole area of window is maximum, then value of x is:

    A.

    2/π

    B.

    20/(4-π)

    C.

    20/(2+π)

    D.

    20/(4+π)

    Correct option is D

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