Are Circles Similar?
Interact with this applet for a few minutes.  Use the Slide Me Slowly! button.
Then answer the questions that follow.  
Questions:
1) What does this applet illustrate about any circle with respect to any other circle?  
2) How do the dynamics you saw (translation by vector & dilation about a point) help confirm
    your response to (1)?  
What does this applet illustrate about any circle with respect to any other circle?
How do the dynamics you saw (translation by vector & dilation about a point) help confirm your response to (1)?