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
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