a rectangular field is to be fenced on three sides,leaving a side of 20meter uncovered. If the area of the field is 680m2,how many meter of fencing is required?
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perimeter=2(l+b)
area=l×b
680=20×b
b=34
perimeter=2(20+34)=108
when one side is un covered then,
108-20=88m fencing is required
area=l×b
680=20×b
b=34
perimeter=2(20+34)=108
when one side is un covered then,
108-20=88m fencing is required
Nishant5001:
is it correct
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