Answer:
180 meters
Step-by-step explanation:
If it is a square barn, all four sides will be the same length. Because you know the length of one of the sides, you can simply multiply that value by 4, and get the perimeter.
Substitute the w‘s in the equation for 2.
8(2)^2+8(2)+9
32+16+9
57
:)
106.8
17 * 2 = 34
34 * pi = 106.8
I think it's the first three choices