\"\"

\

Observe the figure:

\

The length of the side of the square is \"\".

\

Find the perimeter:

\

Perimeter of the square is \"\".

\

\"\"                  (Substitute \"\" in the formula)

\

\"\"                  (Simplify)

\

Therefore, the perimeter of the square is \"\".

\

\"\"

\

The perimeter of the square is \"\".