Question

the total cost of fencing a rectangular field at rupees 40 per metre is rupees 8400 if the length of the field is 60 find the perimeter of the rectangle and breadth of the rectangle​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

l= 60m., rate of fencing =rupees 40/m.

Total cost of fencing= rupees 8400.

now, fencing area=rupee 8400/40.=210 m.

perimeter= 2(l+b).

l=60m.

now,210=2(60+b).

=120+2b.=90=2b.

b =90/2=45meter.

hence, length of the rectangle is 60m.

breadth of the rectangle is 45m.

and the perimeter of the rectangle is 210m..

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by pari class6th