Question

find the volume of wood required to close box with external dimension 20cm by 15cm and 10cm where the thickness of wood is 2cm ?​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Here, extrnal dimensions are

L=15−2×0.5=14 CM

B=12-2×0.5=11 CM

H=8-2×0.5=7 CM

=L×B×H-l×b×h

=15×12×8-14×11×7

Now, volume of wood used = extranal volume - internal volume

= 1440 - 1078

=362cm3

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