Answer:
The correct answer is A.
Step-by-step explanation:
The area of a rectangle can be calculated using the following formula:
[tex]Ar=W . I [/tex]
If we know that the area measures [tex]37.8 m^{2}[/tex] and one side of the figure measures 4.2 m, we can say that:
[tex]37.8m^{2}=4.2m. I[/tex]
We isolate the side we don't know:
[tex]\frac{37.8m^{2}}{4.2m} = I\\9 m = I[/tex]
So I = 9 m
To know the perimter of a rectangle, we use the following formula:
[tex]P= I. 2 + W . 2[/tex]
[tex]P= 9m. 2 + 4.2m. 2[/tex]
[tex]P= 26.4 m[/tex]
