A) 125%
B) 100%
C) 75%
D) 50%
Correct Answer: A
Solution :
If the radius of circle is increased by x%, the area changes by \[\left( 2x+\frac{{{x}^{2}}}{100} \right)%\] \[=\left( 2\times 50+\frac{50\times 50}{100} \right)%=125%\]You need to login to perform this action.
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