How many cylinders of radius 3 cm and height 6 cm can be formed by melting sphere whose radius is 9 cm.
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Step-by-step explanation:
Volume of cylinder =πr
2
h
=π×3×3×1cm
3
Volume of sphere =
3
4
πr
3
=
3
4
(
3
1
)
3
=
3
4
π×
8
1
=
6
π
cm
3
∴ Number of sphere=
π
π×3×3×10×6
=540
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