a Metallic sphere of radius 8.4cm is melted and recost into shape of a cylinder of radius=4cm.show that the height of cylinder is 49.4cm
Answers
Answered by
2
Step-by-step explanation:
Volume.of.sphere=4/3 πR^3
Volume.of.cylinder=πr^2h
R=8.4cm
r=4cm
4/3πR^3=πr^2h (pi gets cancelled)
4R^3=3r^2h
4*8.4*8.4*8.4/3*4*4=h
2370.816/48=h
h=49.392cm
=49.4(approx)
Answered by
2
Answer:
49.4
Step-by-step explanation:
Volume.of.sphere=4/3 πR^3
Volume.of.cylinder=πr^2h
R=8.4cm
r=4cm
4/3πR^3=πr^2h (pi gets cancelled)
4R^3=3r^2h
4*8.4*8.4*8.4/3*4*4=h
2370.816/48=h
h=49.392cm
=49.4(approx)
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