Answer:
its 120 lol
do 3x10=30 and then 30x9=120
The surface area is 294 inches squared
Step-by-step explanation:
9 x 3 = 27 x 2 = 54
10 x 3 = 30 x 2 = 60
9 x 10 = 90 x 2 = 180
54 + 60 + 180 = 294
