\"\"

\

The dimensions of the triangle shown are 12 units, 13 units and 5 units.

\

The perimeter of the triangle is the sum of three lengths of sides of the triangle.

\

Therefore, the perimeter of the triangle shown is \"\" units.

\

The dimensions of the triangle are 7 units, 11 units and 12 units.

\

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

\

The perimeter of the above two triangles is same, so these are similar triangles.\"\"

\

The option F is correct answer.