A rectangular piece of land measures 0.7 km by 0.5 km. Each side is to be fenced with four rounds of wire. What length of wire is needed?

Given :

The length of the rectangular land (l)$= 0.7 km$.

The breadth of the rectangular land (b)$= 0.5 km$.
 

To do :

We have to find the length of wire needed if the land is fenced with four rounds of wire.

Solution :

Perimeter of the rectangular field $= 2(l+b)$.

                                                            $ = 2(0.7+0.5)$

                                                            $ = 2(1.2)$

                                                         $ = 2.4 km$.

Length of the wire required $= 4 \times perimeter$

                                                  $= 4 \times 2.4$

                                                 $= 9.6 km$.

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

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Updated on: 10-Oct-2022

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