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is the area of two circles are 25:49 what is the diameter

 Apr 7, 2016
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is the ratio of the area of two circles are 25:49 what is the ratio of the diameters.

 

 

\(\frac{\pi (R_1)^2}{\pi (R_2)^2}=\frac{25}{49}\\ \frac{ (R_1)^2}{(R_2)^2}=\frac{25}{49}\\ \frac{ R_1}{R_2}=\frac{5}{7}\\\)

 

The ratio of the radii is    5:7

and

The ratio of the diameters is also 5:7

 Apr 7, 2016

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