A) 9 times
B) 3 times
C) 6 times
D) 30 times
Correct Answer: A
Solution :
Let the radius of original circle be r. \[\therefore \] Area of the circle \[=\pi {{r}^{2}}\] Now, radius becomes tripled i.e., 3r Thus, area of the new circle \[=\pi {{(3r)}^{2}}\] \[=9\pi {{r}^{2}}=9\times \](original area)You need to login to perform this action.
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