2.A one side open cylindrical drum has inner radius 28cm and height 2.1m how much water you can store in the drum express in litres(1litre=1000cc.)
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radius given =28 cm
height =2.1×100=210cm
volume of cylinder = pie ×r^2 ×h
=22/7×28×28×210
=22×28×28×30
=517440 cm^3
it's change into 51.744 l
height =2.1×100=210cm
volume of cylinder = pie ×r^2 ×h
=22/7×28×28×210
=22×28×28×30
=517440 cm^3
it's change into 51.744 l
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