Which shape is formed when circular plates are kept in form of a stack?
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Answer:
Number of circular plates =15
Radius of each plate =7cm
Thickness of each plate =3cm
As the plates are stacked one above the other, so the height of the cylindrical solid formed =15× thickness of each plate
=15×3=45cm
Now volume formed :
=πr
3
h
=
7
22
×(7)
3
×45
=6930cm gfygu
3
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