Respuesta :

Answer:

25

Step-by-step explanation:

Answer:

25!!

Step-by-step explanation:

One side(s) = x+6

Perimeter (4s)= 124

4(x+6) = 124

4x + 24 = 124

4x = 124-24

x = 100/4 = 25

I hope im right!! ;)