(1) capacity of the vessel
6. The capacity of a closed cylindrical vessel of height 1 mis 15.4 litres. How many
square metres of metal sheet would be needed to make it?
A
lead pencil consists of a cylinder of wood with a solid cylinder of graphite filled in
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Answer:
Volume=15.4 liters
πr2h=15.4⋅10−3m3
r2=49⋅10−4m2
4=7⋅10−2m
TSA of cylinder=CSA +2BA
=2πRh+2πr2
=2πr(r+h)
=2⋅227⋅7(1+0.07)m
=47.08⋅10−2m2
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