Given:
For the given figure,
[tex]h=2ft,w=3ft,l=8ft[/tex]
The surface area is calculated as,
[tex]\begin{gathered} S=2lh+2wh+2wl \\ S=2\cdot8\cdot2+2\cdot3\cdot2+2\cdot3\cdot8 \\ S=32+12+48 \\ S=92 \end{gathered}[/tex]
Answer: surface area is 92 square ft.
