\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Site \(D\) is to be added to the Voronoi diagram shown below for sites \(A\), \(B\), and \(C\).
  1. In which existing cell does site \(D\) lie?
  2. Which of the existing cells will be affected by the introduction of site \(D\)?
  3. Redraw the Voronoi diagram with site \(D\) added.

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