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Question


Divide the composite figure into cuboids and calculate the total volume in cm3.
  1. 1024

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Solution

The correct option is A 1024
The composite object can be divided into three cuboids as shown in the figure below.



The first cuboid is of dimension
16 cm×8 cm×4 cm

Therefore, its volume is 16×8×4=512 cm3

The second cuboid is of dimension
12 cm×8 cm×4 cm

So, the volume of this cuboid is 12×8×4=384 cm3

And as the third cuboid is of dimension
4 cm×8 cm×4 cm,
its volume is
4×8×4=128 cm3

Total volume =512+384+128
=1024 cm3

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