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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?

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

Dilate circle P by a scale factor of p/q.

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

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

xeroxlion Feb 23, 2019