Answer:
174 [tex]mi^2[/tex]
Step-by-step explanation:
area of the top rectangle: 7 x 8 = 56 [tex]mi^2[/tex]
area of the bottom rectangle: 4 x 13 = 52 [tex]mi^2[/tex]
area of the triangle: [tex]\frac{1}{2} (11)(12)[/tex] = 66 [tex]mi^2[/tex]
add it all up: 56 + 52 + 66 = 174 [tex]mi^2[/tex]
