Elektro6606
Elektro6606
17-04-2017
Mathematics
contestada
HELP PLEASE................
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ghostboy2001
ghostboy2001
17-04-2017
its the first one because wen you do this it is a= pi x r^2 x h
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theresaanderson
theresaanderson
17-04-2017
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.
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