$\"\"$

The perimeter of a regular octagon is $\"\"$ .

The perimeter of the octagon is $\"\"$ .

Here, $\"\"$ .

Find the length of each side of octagon :

$\"\"$ (Orginal equation)

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

$\"\"$ (Divide each side by $\"\"$ )

$\"\"$ (Cancel common terms)

Therefore, the length of each side of octagon is $\"\"$ .

$\"\"$

The length of each side of octagon is $\"\"$ .