Respuesta :

Answer:

you can use math way it will be on there

Answer:

156 in²

Step-by-step explanation:

surface area = (area of trapezoid x 2) + (perimeter x width)

                     =  1/2 (12 + 6) x 4 x 2    +  (12 + 5 + 6 + 5)x3

                     = 72 + 84

                     =  156 in²