Question

22. The cost of fencing a rectangular field at Rs. 25 per meter is Rs.5000/-. If the length
of the field 65m. Find its breadth.
(a) 35 m
(b) 30 m
(c) 45 m
(d) 48 m​

Answer 1

Answer:

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perimeter= 5000/25= 200m

2(l+b)= perimeter

2(65+b)= 200

65+b= 100

b= 35m.

Answer 2

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Perimeter= 5000/25= 200m

2(l+b)= perimeter

2(65+b)= 200

65+b= 100

b= 35m.