Respuesta :

Answer:

The length is 5.7

Step-by-step explanation:

Step 1:  Make an equation to represent the problem

2(7.9) + 2(L) = 27.2

Step 2:  Solve for L/Length

2(7.9) + 2(L) = 27.2

15.8 + 2L - 15.8 = 27.2 - 15.8

2L / 2 = 11.4 / 2

L = 5.7

Answer:  The length is 5.7