Length of the wire is $\"\"$ .

(a)

Express the perimeter $\"\"$ of the square as a function of $\"\"$ .

Formula for the circumference of a cirrcle is $\"\"$ , where $\"\"$ is the side of the square.

In this case side of the square $\"\"$ .

$\"\"$

$\"\"$ .

(b)

Express the area $\"\"$ of the square as a function of $\"\"$ .

Formula for the area of the square $\"\"$ .

Substitute $\"\"$ .

$\"\"$

$\"\"$ .

(a) $\"\"$ .

(b) $\"\"$ .