SOLUTION: The ratio of the diameters of two circles is y:z. What is the scale factor of the circles?

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Question 884015: The ratio of the diameters of two circles is y:z. What is the scale factor of the circles?

Answer by Theo(13342) About Me  (Show Source):
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the scale factor is the ratio of the corresponding parts.

if the ratio of the diameters of two circles is y:z, then the scale factor is y/z.

example:

ratio of the diamters is 3:2.

scale factor is 3/2 = 1.5.