Answer: FIRST OPTION.
Step-by-step explanation:
To solve the exercise you must add the area of each rectangle shown in the figure attached in the problem. with the formula for calculate thea area of a rectangle:
[tex]A=bh[/tex]
Where b is the base and h is the height:
There area 3 pairs of equal rectangles, therefore you have:
[tex]A=2(6ft*8ft)+2(11ft*8ft)+2(11ft*6ft)=404ft^{2}[/tex]