a. A wooden box is made with external dimensions of 45 cm x 40 cm x 34 cm. The entire
thickness of the wood is 2.5 cm. Find its volume.
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a. A wooden box is made with external dimensions of 45 cm x 40 cm x 34 cm. The entire
thickness of the wood is 2.5 cm. Find its volume.
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Answer:
20.3 cm is the correct answer
Step-by-step explanation:
The volume of wood present in it is given by
External volume −Internal volume
Here,
External dimensions are ,L=40 cm,B=34 cm and H=30 cm
Hence, internal dimensions are,L=40−2×1=40−2=38cm
B=34−2×1=34−2=32cm
H=30−2×1=30−2=28cm
Now, external volume=(40×34×30)cm
3
=40800cm
3
And internal volume =(38×32×28)cm
3
=34048cm
3
Hence , volume of wood present in it=(40800−34048)cm
3
=6752cm
3