Question

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

Answer 1

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

Answer 2

Answer:

40 m

Step-by-step explanation:

Hi there!

What we know:

• The field is rectangular
• A = 99 m²
• Length of one side = 11 m

1) Find the length of the other side

Plug all the given information into the area formula for a rectangle:

$A=lw$ where A is the area, l is the length and w is the width

$99=11w$

Divide both sides by 11 to isolate w

$\frac{99}{11} = \frac{11w}{11} \\9=w$

Therefore, the width of the field is 9 m.

2) Find the perimeter of the field

$P=2(l+w)$ where l is the length and w is the width

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

$P=2(11+9)\\P=2(20)\\P=40$

Therefore, the perimeter of the field is 40 m.

I hope this helps!