If radius of a sphere is decreased by 24%, by what per cent does its surface area decrease ?

If radius of a sphere is decreased by 24%, by what per cent does it

1.	If radius of a sphere is decreased by 24%, by what per cent does its surface area decrease ?
A.	44%
B.	49%
C.	42.24%
D.	46.2%
Answer» D. 46.2%

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If radius of a sphere is decreased by 24%, by what per cent does its surface area decrease ?

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