In the figure above, if the area of the smaller circular region isfff\(\frac{1}{...【小站备考】

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Question 7 Selected one answer choice

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In the figure above, if the area of the smaller circular region is

$\frac{1}{2}$ the area of the larger circular region, then the diameter of the larger circle is how many inches longer than the diameter of the smaller circle?

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A. $\sqrt2-1$

B. $\frac{1}{2}$

C. $\frac{\sqrt2}{2}$

D. $\frac{(2-\sqrt2)}{2}$

E. $\sqrt2$

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