1.

A metallic sphere of radius 4.2 cm is melted and recast into the shape of a cylinder of radius 6 cm. Find the height of the cylinder. 

Answer»

4/3π r3 = πR2h

4/3(4.2)3 = (6)2 h

⇒ h = 2744/100

∴ ℎ = 2 ∙ 744  cm



Discussion

No Comment Found

Related InterviewSolutions