A rectangular piece of land measure 0.7km by 0.5km each side is to be fenced with 4rows of wires . What is the length of the wire needed?
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Step-by-step explanation:
the perimeter of rectangular piece of land =2(l+b)
=2(0.7+0.5)
=2.4km
length of wire is needed for 4rows fenced =4×2.4
=9.6km
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