Question

The breadth of a rectangular park is of 48 cm. If 3 km 72 m long wire is required for fencing it, find the length of the park.

Answer 1

$\underline{\bold{Solution:-}}$

Let the length of the park be l m

Breadth = 48 cm = 0.48 m

Length of wire = 3km 72 m

= 3×1000+72 m

=3072 m

It is used for fencing the park.

So , it is the perimeter of the park.

Perimeter = 2(length+ breadth)

3072 = 2(l + 0.48)

$\frac{3072}{2} = l + 0.48 \\ \\ 1536 = l + 0.48 \\ \\ l = 1536 - 0.48 \\ \\ length \: = 1535.52 \: m$

So, the length of the park is 1535.52 metre

Answer 2

Here is your answer