Respuesta :

Answer:

57 square units.

Step-by-step explanation:

You need the area of each side, then you add all of them together. (5*3.5)+(3*3.5)+([tex]\frac{1}{2}[/tex]3*4)+([tex]\frac{1}{2}[/tex]3*4)+(4*3.5).

the answer is 57 square units