The radius of a circle has been reduced from 9 cm to 7 cm . the appropriate percentage decrease in area is ?

The radius of a circle has been reduced from 9 cm to 7 cm . the approp

1.	The radius of a circle has been reduced from 9 cm to 7 cm . the appropriate percentage decrease in area is ?
A.	31.5 %
B.	39.5 %
C.	34.5 %
D.	65.5 %
Answer» C. 34.5 %

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The radius of a circle has been reduced from 9 cm to 7 cm . the appropriate percentage decrease in area is ?

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