Answer:
[tex]92 \:cm^2[/tex]
Step-by-step explanation:
[tex]Surface\:_{area}=2\times(\ell\times w +\ell \times h + w \times h)[/tex]
[tex]=2\times(8 \times 2 +8 \times 3 + 2 \times 3)[/tex]
[tex]=2 \times (16+24+6)[/tex]
[tex]=2\times 46[/tex]
[tex]=92\: cm^2[/tex]
