Answer:
684 ft^2
Step-by-step explanation:
You can find the area of the middle rectangle by using:
[tex]A=LW[/tex]
[tex]A=18*20[/tex]
[tex]A=360[/tex]
You can find the area of a triangle by using:
[tex]A=\frac{BH}{2}[/tex]
Triangle 1: A=90
Triangle 2: A=72
2(72+90)+360
324+360
684
