a colsed box is made up of wood which is 1cm thick .the outer dimensions of the box is 5cm×4cm×7cm.find the volume of the wood uses.
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Step-by-step explanation:
Outer volume = 5×4×7
= 140
inner voume =3 ×2×5
= 30
the volume of wood is = 140-30
= 110
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