Given data
Lenght = 4m
Breadth = 4m
The formula for the perimeter of a rectangle
[tex]\begin{gathered} \text{Perimeter = 2}\times\text{ Length + 2 }\times\text{ breadth} \\ =\text{ 2 }\times\text{ 4 + 2 }\times\text{ 4} \\ =\text{ 8 + 8} \\ =\text{ 16 meters} \end{gathered}[/tex]