# Q 5.     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?

We have,
A rectangular piece of land measures 0.7 km by 0.5 km and side is to be fenced with 4 rows of wires.

As per the question,

Required length of wires
= 4$\times$ 2 [ 0.7 km + 0.5 km]
= 8 $\times$ 1.2 km
= 9.6 km

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