Find how much wood was used in making a cubical chalk box of side 15.8 cm and thickness 3 cm
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Side of cuboid box =120 m
volume of cuboid box =(120)3
volume of =1.728.000cm3
Dimensions of cuboid box=20cm×120cm×6cm
volume of box=20×120×6
=72×20
volume of box= 1440cm2.
no. of cubical box can fit into cubical box =14401728000
No of boxes = 1200.
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