What is the surface area of the right prism?
A.) 192 ft²
B.) 264ft²
C.) 280ft²
D.) 384ft²

We have three pairs of rectangles:
16ft × 6ft = 96ft²
2ft × 6ft = 12ft²
2ft × 16ft = 32ft²
S.A. = 2 × (96 + 12 + 32) = 2 × 140 = 280ft².