First of all, let's draw the net:
In which l= 3 units, h=2 units and w= 4 units.
The surface area will be:
SA= 2*h*w +2*l*w + 2*h*l
SA = 2*2*4 + 2*3*4 + 2*2*3
SA =16+24+12
SA= 52units²
The volume will be:
V=L*h*w
V= 3*2*4
V= 24 units³
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