Answers

2014-01-07T02:12:59+05:30
First circle let circumference be 2x .
2x = 2  \pi r
r = x/ \pi
area = x/ \pi * x/ \pi *

second circle let circumference be 3x .
3x = 2  \pi r
r = 1.5 x/ \pi
area = x/ \pi * x/ \pi *  \pi * 2.25

ratio = 4:9





0
2014-01-07T17:25:10+05:30
Simply its 4:9
how...?
   circumferance is in the ratio 2:3
 radius contain a square in it hence the answer is simply 4:9
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