Q. 125.0( 2 Votes )
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Answer :
Volume of a sphere = (4/3)πr3
Volume of a cylinder = πr2h
Given, cylinder whose height is two thirds of its diameter, has the same volume as a sphere of radius 4 cm.
⇒ h = (2/3) × 2r = 4r/3
Thus, 
⇒ r = 4 cm
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