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A rectangular piece of land measures 0.7 km by 0.5 km. Each side is to be fenced

with 4 rows of wires. What is the length of the wire needed? Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

From the question, it is given that,

Length of a rectangular piece of land = 0.7 km

The breadth of a rectangular piece of land = 0.5 km

We know that, Perimeter of the tabletop = 2 × (Length + Breadth)

= 2 × (0.7 km + 0.5 km)

= 2 × (1.2 km)

= 2.4 km

Now, we have to find the length of the wire needed for fencing each side of

rectangular piece by 4 rows

So,

= 4 × Perimeter of the rectangle

= 4 × (2.4 km)

= 9.6 km

Therefore, the length of the wire needed is 9.6 km.

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