Answers

2016-06-29T12:09:21+08:00
AreaL-arearS= 225
L=x=5+s
( 5+s)^2-s^2=225
25 +10s +s^2-s^2=225
 s=200/10
s=10...
smal: =100
Large: 5 +10)^2= 125

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i have to re check this first...
s=200/10= 20...smaller= 20x20=400, Larger= 25 x25=625...tseking, 625-400= 225(diferrence)..i dont have calculator