## The diameter of the internal and exter nal surfaces of a hollow hemispherical shell are 6 cm. and 10 cm, respectively. It is

Question

The diameter of the internal and exter

nal surfaces of a hollow hemispherical

shell are 6 cm. and 10 cm, respectively.

It is melted and recast into a solid eyl-

Inder of diameter 14 cm. Find the

height of the cylinder.

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Math
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2021-08-13T13:59:52+00:00
2021-08-13T13:59:52+00:00 2 Answers
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## Answers ( )

Answer:1.33 cm is the answer for you’re question

Answer:InternalDiameter = 6cmExternalDiameter =10 cmInternalradius = 3cmExternalradius =5 cmSotheVolume of hemisphere= (2/3)π(5³ – 3³)cm³= 196π/3 cm³= 196π/3 cm³Volume of solid cylinder = πr²hcm³Diameter= 14cmSoradius = 7 cmLeth = heightof the cylinderSobythe givenconditionπ(7)²h = 49πh49πh = 196π/349πh = 196π/3h = 4/3Sothe requiredheightis4/3cm