The rectangle field is to be fenced on three sides leaving a side of 20cm uncovered. If the area of the field is 680msq,how many metre of fencing is required?
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area of rectangle=length*breadth
680=length*20
length=34m
fencing required=20+34+34==88m
area of rectangle=length*breadth
680=length*20
length=34m
fencing required=20+34+34==88m
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