Answer:
360 in^3 (360 inches squared)
Step-by-step explanation:
Find area of each surface:
8 in*9 in=72 in^2
15 in*9 in=135 in^2
17 in*9 in=153 in^2
then, add up all the numbers:
72+135+153=360 in^3
1/2
50 = 2
which by definition equates to 68+1
