Answer:
[tex]A=1,863\ m^2[/tex]
Step-by-step explanation:
we know that
The area of the complex figure is equal to the area of the full rectangle minus the area of the small central rectangle
so
[tex]A=(69)(31)-(23)(12)[/tex]
[tex]A=2,139-276[/tex]
[tex]A=1,863\ m^2[/tex]
