If the radius of a circle is decreased by 10%, then what will be the percentage decrease in the area of circle?

If the radius of a circle is decreased by 10%, then what will be the p

1.	If the radius of a circle is decreased by 10%, then what will be the percentage decrease in the area of circle?
A.	19
B.	20
C.	21
D.	23
Answer» B. 20

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If the radius of a circle is decreased by 10%, then what will be the percentage decrease in the area of circle?

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