A closed box is made up of wood which is 1cm thick. The inner dimensions of the box are 5m*4cm*7cm find the volume of wood used
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Hey mate here is your answer
Given that outer dimendions of wood box is 5×4×7
volume =5×4×7=140cm cube
Thickness of box =1cm
Volume of wood box with zero thickness
(5-2)cm×(4-2)cm×(7-2)
3×2×5=30cm cube
volume of wood =140cm cube-30cm cube
=110cm cube
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