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1. A closed cylindrical tank of height 1.4 m. and radius of the base is 56 cm.is made up of a thick metal sheet. How much metal sheet is required (Expressin square meters) |
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Answer» Step-by-step EXPLANATION: TSA of cylinder =2πr(r+h) r=56 cm h=1.4 m=140cm TSA=2*22/7*56(56+140m) =44*8(196) =68,992 cm^2 in m =6.8992m^2 So,metal sheet REQUIRED is 6.8992m ^2 |
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