If the radius of a sphere is increased by 3%, then what percent increase takes place in surface area of the sphere ?

If the radius of a sphere is increased by 3%, then what percent inc

1.	If the radius of a sphere is increased by 3%, then what percent increase takes place in surface area of the sphere ?
A.	6.09%
B.	7%
C.	5.06%
D.	9%
Answer» B. 7%

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If the radius of a sphere is increased by 3%, then what percent increase takes place in surface area of the sphere ?

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