if area of the field was x-hectare (where x>2) and the amount to be paid is y.
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Let the length and breadth of rectangle field is 5x and 3x respt and area =3.75 hectars
We know that 1 hectare=10000 sq metes
Then area 37500 sq m
Then Area 5x×3x=37500
⇒15x
2
=37500
⇒x
2
=2500
⇒x=50
Then length =5×50=250 m and breadth =3×50=150 m
Than perimeter of rectangle field =2(L+B)=2(250+150)=800 m
Then cost of fending =800×5=4000 Rs
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