A) 2
B) 3
C) 4
D) 6
Correct Answer: B
Solution :
Suppose, original radius = R metres then, original circumference \[=2\pi R\] Now, New radius = 3R then, New circumference\[=2\pi \times 3R=3\,\,(2\pi R)\] Hence, the increment in circumference is 3 times.You need to login to perform this action.
You will be redirected in
3 sec