find the C.S.A of a closed cylindrical tank of diameter=4.2 m and 19.6m high
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anjliswamy03:
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radius=2.1m
height=19.6m
CSA of cylinder=2πrh
=2*22/7*2.1*19.6
=258.72sq.m
height=19.6m
CSA of cylinder=2πrh
=2*22/7*2.1*19.6
=258.72sq.m
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