Surface area:
Triangle: 16 x 12 = 192
Rectangle: 30.5 x 12 = 366
2 Triangles so, 192 x 2 = 384
2 Rectangles so, 366 x 2 = 732
Add them all up 384 + 732 = 1116
Volume:
Triangle: 16 x 12 = 192
Triangle x Width: 192 x 30.5 = 5856
Surface Area: 1116 cm
Volume: 5856 cm