A wooden box (including the lid )has external dimensions of 40cm by 34cm by 30cm. If the wood is 1cm thick,how many cm cube of wood are there in it?
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External Dimension=40*34*30
External volume=40800 sq cm.
Internal dimension=(40-2)*(34-2)*(30-2).
Internal volume=34048sqcm.
Volume of wood in in box=external volume -internal volume
Answer=6752cm cube
External volume=40800 sq cm.
Internal dimension=(40-2)*(34-2)*(30-2).
Internal volume=34048sqcm.
Volume of wood in in box=external volume -internal volume
Answer=6752cm cube
rishi011:
Is this correct
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