"If the radius of a circle is increased by 200%, then its area will increase by(a) 200% (b) 400% (c)
Channel: Doubtnut
Date: 05/04/2020

"If the
 radius of a circle is increased by 200%, then its area will increase by
(a)
 200% (b) 400% (c) 800% (d) 900%"