A rectangular piece of land meisure 0.7 Km by 0.5 Km. Each side is to be fenced with 4 rows of wire. What is the length of the wire needed?

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Solution

Length of wire required = Perimeter of the land
= 2(l+b)
= 2(0.7+0.5)
= 2(1.2)
= 2.4 km

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