A sphere of radius rcm has the same volume as cylinder of...
A sphere of radius rcm has the same volume as cylinder of radius 3cm and height 4cm. Find the value of r
23
2
3
6
Correct answer is C
Volume of sphere = Volume of cylinder
i.e. 43πr3=πr2h
43πr3=π×32×4
r3 = π×9×4×34π
r = 3√27
= 3
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