Respuesta :

230285

Answer:

SA=40cm^3

Step-by-step explanation:

In this shape, there are 2 same triangles, and 3 different rectangles.

First, you need to find the surface area of each shape:

Triangle: 4✖️8=32/2=16

Rectangle 1: 4✖️2=8

Rectangle 2: 8✖️2=16/2=8

Rectangle 3: 8✖️2=16/2=8

16+8+8+8=40