# go broncos circle time!

Task
For this problem, (a,b) is a point in the x-y coordinate plane and r is a positive number.
a) Using a translation and a dilation, show how to transform the circle with radius r centered at (a,b) into the circle of radius 1 centered at (0,0) .
b) Explain how to use your work in part (a) to show that any two circles are similar.

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