The angle at which the circles $(x - 1)^2 + y^2 = 10$ and $x^2 + (y - 2)^2 = 5$ intersect is

  • A

    $\frac{\pi }{6}$

  • B

    $\frac{\pi }{4}$

  • C

    $\frac{\pi }{3}$

  • D

    $\frac{\pi }{2}$

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