A fence has to be construed around a rectangle zoo .if the zoo is 3km long and 1 km wide, what will be the length of the fence to be construed?
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The length should equal to the perimeter of yeh rectangular field
Perimeter of the rectangle = 2(l+b)
= 2(l+b) = 2(3+1)
= 2(l+b) = 2(3+1) = 2×4 =8
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