Solution
Let radius of the semi-circle = $$r$$ cm
=> Area = $$\frac{1}{2}\times\pi r^2$$=1925$$
=> $$\frac{1}{2}\times\frac{22}{7}\times r^2=1925$$
=> $$r^2=1925\times\frac{7}{11}=1225$$
=> $$r=\sqrt{1225}=35$$ cm
=> Ans - (D)
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