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HELP PLEASE................
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4 votes
HELP PLEASE................

HELP PLEASE................-example-1
User Muhtar
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8.3k points

2 Answers

5 votes
The best choice would be 2πrh because the formula for the surface area of a cylinder is A = 2πrh + 2πr^2 but the circle bases are not included in the wrapper so you do not need the 2πr^2 part. 
User PurityLake
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7.9k points
6 votes
its the first one because wen you do this it is a= pi x r^2 x h
User Turbokiwi
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8.2k points
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