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Solution
Let the radius of circle = $$r$$ cm
=> Area = $$\pi r^2=38.5$$
=> $$\frac{22}{7}\times r^2=38.5$$
=> $$r^2=38.5\times\frac{7}{22}=12.25$$
=> $$r=\sqrt{12.25}=3.5$$ cm
=> Ans - (C)
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