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## The area of a rectangular field is 99m2. The length of one side is 11m. The farmer needs to know its perimeter to work out how<

Question

The area of a rectangular field is 99m2. The length of one side is

11m. The farmer needs to know its perimeter to work out how

much fencing will be needed? Help

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Mathematics
3 years
2021-08-24T21:31:46+00:00
2021-08-24T21:31:46+00:00 2 Answers
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## Answers ( )

Answer:40 m

Step-by-step explanation:Hi there!

What we know:1) Find the length of the other sidePlug all the given information into the area formula for a rectangle:

where A is the area, l is the length and w is the width

Divide both sides by 11 to isolate w

Therefore, the width of the field is 9 m.

2) Find the perimeter of the fieldwhere l is the length and w is the width

Plug in the length (11 m) and the width (9 m)

Therefore, the perimeter of the field is 40 m.

I hope this helps!

Answer:40 m

Step-by-step explanation:The length of another side

= 99÷11

= 9 m

The perimeter of the field

= 9×2 + 11×2

= 40 m