Help!!
Concentric circles with center G have radii 5 and 11 as shown.

Which would prove that the circles are similar?
Dilate the smaller circle by a factor of ?(1).
If the circles were not concentric, what additional step would be needed to prove they are similar?
?(2) one of the circles so that the circles have the same center.
1 = a. 5/11 b. 11/5 c. 5 d. 11
2 = a. Dilate b. Reflect c. Rotate d. Translate