Answer:
792cm3
Step-by-step explanation:
length
l = 8 cm
width
w = 11 cm
height
h = 9 cm
diagonal
d = 16.3095064 cm
total surface area
Stot = 518 cm2
lateral surface area
Slat = 342 cm2
top surface area
Stop = 88 cm2
bottom surface area
Sbot = 88 cm2
volume
V = 792 cm3
8 x 9 x 11 is 792, 792 x 1/2 is 396, which should be the correct answer.
