Question

22. A box with a lid is made of wood which 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.​

Answer 1

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 C

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