Answer:
The surface area is 294 inches squared
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
its 120 lol
do 3x10=30 and then 30x9=120
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