Two circles have the same center. Circle P has a radius of p units. Circle Q has a radius of q units. Which dilation could be used to prove that circles P and Q are similar? A. Dilate circle P by a scale factor of p/q.

B. Dilate circle Q by a scale factor of p/q.

C. Dilate circle P by a scale factor of p × q .

D. Dilate circle Q by a scale factor of p × q .