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Suppose x is any positive number. Circle 1 has a center at (−2, 7) and a radius of 8x. Circle 2 has a center at (−3, 0) and a radius of 5x.

 

Why is Circle 1 similar to Circle 2?

 

Options:

 

A: Circle 1 is a translation of 1 unit right and 7 units up from Circle 2, and a dilation of Circle 2 with a scale factor of 1.6.

 

B: Circle 1 and Circle 2 have the same area, and Circle 1 has a radius 0.625 times longer than Circle 2.

 

C: Circle 1 is a translation of 1 unit right and 7 units up from Circle 2, and a dilation of Circle 2 with a scale factor of 0.625.

 

D: Circle 1 and Circle 2 have the same circumference, and Circle 1 has a radius 1.6 times the length of Circle 2's radius.

RedBlue  Mar 21, 2018

Best Answer 

 #1
avatar+615 
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A: Circle 1 is a translation of 1 unit right and 7 units up from Circle 2, and a dilation fo Circle 2 with a scale factor of 1.6

supermanaccz  Mar 21, 2018
 #1
avatar+615 
+2
Best Answer

A: Circle 1 is a translation of 1 unit right and 7 units up from Circle 2, and a dilation fo Circle 2 with a scale factor of 1.6

supermanaccz  Mar 21, 2018

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