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VIT Engineering VIT Engineering Solved Paper-2009

  • question_answer
    The area (in square unit) of the circle which touches the lines \[4x\text{ }+\text{ }3y\text{ }=\text{ }15\] and \[4x\text{ }+\text{ }3y\text{ }=\text{ }5\] is

    A)  \[4\pi \]

    B)  \[3\pi \]

    C)  \[2\pi \]

    D)  \[\pi \]

    Correct Answer: D

    Solution :

    Since, given lines are parallel. \[\Rightarrow \]     d = 2 = diameter of the circle \[\therefore \] Radius of circle = 1 \[\therefore \]Area of circle = \[\pi {{r}^{2}}=\pi sq\]unit


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