Respuesta :

14158

Answer:

I dont really know how to do this, but I think you have to multiply

Step-by-step explanation:

Answer:

all you will do is is to get the surface area of each object

triangles each equals 8.64 squared cm

the rectangle equals 172.8 squared cm

Step-by-step explanation:

triangle= 0.5×4.8×3.6=8.64 squared cm

rectangle=12×14.4= 172.8 squared cm

the prism of all will be (8.64)(2)+172.8=190.08 squared cm