Answer:
surface area=2(lb+bh+hl)
surface area=2(16×12+12×5+5×16)
surface area=664cm²
volume = 16cm×12cm×5cm
volume= 960cm³
volume is l×b×h.
thats 16*12*5 that is 960cm cubed.
total surface area is 2(l×b+b×h+h×l).
that's 2(16×12+12×5+16×5).
664 cm squared .
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