The circles ${x^2} + {y^2} - 10x + 16 = 0$ and ${x^2} + {y^2} = {r^2}$ intersect each other in two distinct points, if

  • [IIT 1994]
  • A

    $r < 2$

  • B

    $r > 8$

  • C

    $2 < r < 8$

  • D

    $2 \le r \le 8$

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