A closed cylindrical tank of radius 7m and height 3m is made from a sheet of metal .how much sheet of metal is required
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Answer:
440m2
Step-by-step explanation:
Given
Radius of cylinder = 7m
Height of cylinder = 3m
Total Surface area of cylinder = 2πr(h+r) = 2*22/7*7(7+3) = 440m²
Hence, 440m² of metal sheet is used.
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