Question

closed cylindrical tank of radius 8 cm and height 4 cm is made for a sheet of metal how sheet of metal is required​

Answer 1

Answer:

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Step-by-step explanation:

Total surface area of the cylinder =2π×r(h+r)

=2×722×7×(7+3)=44×10=440m2

Sheet of metal required =440m2

Answer 2

Answer:

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Step-by-step explanation:

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