"If the   radius of a circle is doubled, its area is increased by (a)   100%Â Â Â Â Â Â Â (b) 20
Channel: Doubtnut
Date: 2020-07-05

"If the
 
  radius of a circle is doubled, its area is increased by
 (a)
 
  100%Â Â Â Â Â Â Â (b) 200%Â Â Â Â Â Â (c) 300%Â Â Â Â Â (d) 400%"