If the area of a circle decreases by 36%, then the radius of a circle decreases by
Choose the correct option: A) 20% B) 18% C) 36% D) 64% E) None of these
If area of a circle decreased by x % then the radius of a circle decreases by   (100−10√100−x)%=(100−10√100−36)%   = (100−10√64)%   = 100 - 80= 
<gadget id="calculator">100 - 80</gadget>
<output>20</output>
20%   20%nswer 20%
<result>A</result>
If the area of a circle decreases by 36%, then the radius of a circle decreases by