If the radius of a circle be reduced by 50%. Its area is reduced by ?

1.	If the radius of a circle be reduced by 50%. Its area is reduced by ?
A.	31.5%
B.	39.5%
C.	34.5%
D.	65.5%
Answer» D. 65.5%

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If the radius of a circle be reduced by 50%. Its area is reduced by ?

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