An architect is designing a pyramid-shaped building that is cut off in a plane parallel to its base.
Dimensions of the building: 64m×64m×36m
Dimensions of the cut off section: 16m×16m×12m
Determine the volume of the building.
A
64,512m3
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B
1024m3
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C
64,000m3
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D
65,536m3
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Solution
The correct option is A64,512m3 Volume of the building = Volume of the entire pyramid Volume of − the cut off section
Volume of the entire pyramid = 1 Base area Height
13×64×64×48=65,536m3
Volume of the cut off section = 1 Base area Height