# The area of a rectangular field is 96m2. The length of one side is 12m. The farmer needs to know the perimeter to find out how much fencing will be?

## 12 x = 96

so
x = 96/12
then

2 x + 2 (12) = perimeter

## To find the perimeter of the rectangular field, we'll need to know the length of the other side. We can find this by using the formula for the area of a rectangle.

The formula for the area of a rectangle is:

Area = length × width

In this case, we know that the area is 96m² and the length of one side is 12m. Let's substitute these values into the formula:

96m² = 12m × width

Now we can solve for the width:

width = 96m² ÷ 12m
width = 8m

So, the width of the rectangular field is 8m.

To find the perimeter, we can use the formula:

Perimeter = 2 × (length + width)

Now we can substitute the values:

Perimeter = 2 × (12m + 8m)
Perimeter = 2 × 20m
Perimeter = 40m

Therefore, the perimeter of the rectangular field is 40m. The farmer will need 40m of fencing to enclose the field.