Respuesta :

S1NGH

Answer:

17.2x + 16.4

Step-by-step explanation:

→ Perimeter = All sides added together

8.6x + 3 + 8.6x + 3 + 5.2 + 5.2

→ Simplify

17.2x + 6 + 10.4

→ Simplify further

17.2x + 16.4