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OpenStudy (anonymous):
is this right? What is the total area of this cylinder?
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OpenStudy (anonymous):
OpenStudy (anonymous):
i came up with 28 pi
OpenStudy (anonymous):
area = 2 * pi * 2 * (2 + 5) = 87.9645943
OpenStudy (anonymous):
Yes, that is correct. The area of the top is 4 pi as is also the area of the bottom. The "sides" is 4 pi x 5 = 20 pi. Adding it all up gives 28 pi
OpenStudy (anonymous):
thanks
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OpenStudy (anonymous):
you're very welcome!
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