Answer:
[tex]\tt 240\: cm^2[/tex]
Step-by-step explanation:
L= 12cm
S= 7cm
b= 4cm
h=6cm
Surface area:-
[tex]\tt bh+2ls+lb[/tex]
[tex]\tt (4\times 6+2\times 12 \times 7+12 \times 4)cm^2[/tex]
[tex]\tt = (24+168+48)cm^2[/tex]
[tex]\tt =240\: cm^2[/tex]
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