Similar Circles? APS

[color=#000000]Interact with this applet for a few minutes. [br]Then answer the questions that follow. [/color]
[color=#000000][b]Questions:[/b][br][br]1) What does this applet illustrate about any circle with respect to any other circle? [br][br]2) How do the dynamics you saw ([color=#980000]translation by vector[/color] & dilation about a point) help confirm[br] your response to (1)? [/color]

Information: Similar Circles? APS