Respuesta :

Answer:

28cm^2

Step-by-step explanation:

(6*2)/2 = 6  # 1 triangle area

6 * 4 = 24  # multiplying it by 4, since the pyramid has 4 walls made of triangles.

2 * 2 = 4  # foundation is made out of square.

24 + 4 = 28cm^2  # now we just combine it together.