12. Find the perimeter of the triangle below:
please help show steps thank you :)

Given:

The lengths of the three sides of the triangle are , and

We need to determine the perimeter of the triangle.

Perimeter of the triangle:

The perimeter of the triangle can be determined by adding all the three sides.

Thus, we have;

Factoring the term , we get,

Substituting, we get;

Taking LCM , we have;

Simplifying the numerator, we get;

Adding the like terms in the numerator, we get;

Factoring the numerator, we get;

Cancelling the common terms, we have;

Thus, the perimeter of the triangle is