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Internal dimensions of a closed wooden cuboidal box are 41 \(cm\) long, 35 \(cm\) width and 35 \(cm\) height. If the thickness of the wood is 2 \(cm\) all around it, then find the following.
 
(i) Internal volume
 
(ii) External volume
 
(iii) Volume of the wood used to make the box
 
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(i) Internal volume of the wooden box \(=\)  \(cm^3\)
 
(ii) External volume of the wooden box \(=\)  \(cm^3\)
 
(iii) Volume of the wood used to make the box \(=\)  \(cm^3\)