Answer:
40 ft
Explanation:
The perimeter of the shape is 1) the perimeter of the rectangle with sides of 11 and 3 ft plus 2) two sides of 6 ft each.
1) the perimeter of the rectangle: 22 + 6 = 28
2) the perimeter of two sides: 2x6= 12
3) The perimeter of the shape: 28 +12 =40