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in Surface Areas And Volumes by (49.9k points)
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A closed cylindrical tank of diameter 12m and height 5m is made from a sheet of metal. How much sheet of metal will be required?

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Best answer

Given that diameter = 12m

Therefore r= diameter /2 =12/2 = 6 m

Also given that height is 5m

Now we have to find the total surface area

We know that total surface area of cylinder = 2πr(r + h)

Total surface area = 2 × 22/7 × 6 (6 + 5)

Total surface area = 528 m2

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