The formula to find the surface area of a rectangular prism is
[tex]\begin{gathered} SA=2lw+2wh+2lh \\ \text{ Where SA is the surface area}, \\ l\text{ is the length,} \\ w\text{ is the width and} \\ h\text{ is the height of the rectangular prism} \end{gathered}[/tex]
In this case, you have
[tex]undefined[/tex]
