Respuesta :

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]