Answers

2015-08-08T16:50:58+05:30
2(l+b)=80
2(l+8)=80
  (l+8)=40
   l    = 32


Ans: 32cm
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2015-08-08T17:13:03+05:30
2(l+b)=80
l+b=80/2=40
l+8=40
l=40-8=32
l=32cm
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