Respuesta :

feneck
9 feet? Not sure lmk if I'm wrong other people answering
BTS08

Answer:

width: 6

length: 12

Step-by-step explanation:

lenght: 2x

width: x

perimeter: 2l+2w

2(2x)+2(x)=36

4x+2x=36

6x=36

divide each side by 6