$\"\"$

An isosceles triangle with side lengths are $\"\"$ , $\"\"$ and $\"\"$ .

Here $\"\"$ and $\"\"$ is the sides of the triangle.

Where $\"\"$ and $\"\"$ .

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

Find perimeter of the isosceles triangle:

$\"\"$ (Substitute $\"\"$ and $\"\"$ )

$\"\"$ (Simplify)

$\"\"$ (Distributive property: $\"\"$ )

Therefore, the perimeter of the isosceles triangle is $\"\"$ .

$\"\"$

The perimeter of the isosceles triangle is $\"\"$ .