a rentangular field has a length of 70 m and the breadth of 50m.how much wire needed to fence it if 5 layers of wires are to be use for the fence
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Answer:
2(l+b)= perimeter
2(50+70)
170
also 5 layers are needed so we will multiply the perimeter by5
which will be 170*5 = 850
850m of wire needed
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