find the ratio of the length to the breadth of a feild 100 metres long and 16 metres wide .
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Answer:
It is given that,
Perimeter of rectangular field = 440 m.
Consider 7x as the length and 4x as the breadth of rectangular field.
So we get,
2(l+b) = Perimeter.
Substituting the values,
2(7x+4x)=440
By further calculation,
2(11x)=440
22x=440
So we get,
x=440/22=11 m.
Here,
Length = 7x=7∗11=77 m.
Breadth = 4x=4∗11=44 m.
We know that,
Cost of fencing = ₹150 per m.
So the cost of fencing 440 m = 150∗440 = ₹ 66,000
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