A closed box made of wood is 3 cm thick. Its external length, breadth and height are 56 Cm, 39 cm and 30 cm, respectively. Find the capacity of the box. Also, find the volume of wood used to make the box.
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Verified answer
For external box,
L=56 CM
B=39 CM
H=30 CM
VOLUME =L×B×H=56×39×30=65520 CM³
For internal ,
L=56−6=50 cm
B=39−6=33 cm
H=30−6=24 cm
VOLUME =L×B×H=50×33×24=39600 CM³
WOOD USED =65520−39600=25920 CM³