Answers

2014-11-11T22:05:29+05:30
let the l be x
and b be x/2
then,
        2(l+b)=perimeter
  2(x+x/2)=30
3x=30
x=10
therefore,
 length=10cm
breadth= 5cm

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2014-11-11T22:12:00+05:30
Let length of rectangle be x then breadth becomes x/2
given perimeter is 30m,that is 2(x+x/2)=3x=30
x=10
therefore length of given rectangle is 10m and its breadth is 5m.

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