A wooden box is made of 2cm thick wood if the external dimensions of the box at 28 cm into 24 cm into 26 cm find the internal volume of the box and the volume of the wood
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If the thickness is 2cm and the outer dimensions are 28cm×24cm×26cm then,
Inner dimensions are (28-2)×(24-2)×(26-2) = 26cm×22cm×24cm
Hence,
Outer volume = lbh = 28×24×26 = 17472cm³
Internal volume = lbh = 26×22×24 = 13728cm³
Therefore, volume of wood used = 17472-13728
= 3744cm³
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