Answer:
Step-by-step explanation:
We can find the surface area by multiplying 20⋅6 twice, multiplying 6⋅12 twice, and multiplying 20⋅16 twice. Adding these up, we get:
SA = 2(20)(6) + 2(6)(12) + 2(20)(16)
SA = 240 + 144 + 640
SA = 880 + 144
SA = 1024
Solution: 1024 centimeters squared
