8. The internal dimensions of an open, wooden
rectangular box are 3.2 m by 2.2 m by 1.5 m. If the
wood has a thickness of 0.2 m, find the volume of
wood used.
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5
Answer:
5.35
Step-by-step explanation:
Internal
l=3.2 m
h= 1.5 m
w=2.2 m
Thickness of wood on either sides is 0.2 m
Add 0.4 to internal dimensions
l=3.2 m +0.4m = 3.6 m
h= 1.5 m +0.2= 1.7m
w=2.2 m+0.4 = 2.6m
Volume of wood = (3.6*1.7*2.6) - (3.2*1.5*2.2)
= 5.35 ft^3
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