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OpenStudy (anonymous):
surface area
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jimthompson5910 (jim_thompson5910):
You have the correct answer. Nice work.
OpenStudy (anonymous):
are you sure? someone else told me it was 180pi
jimthompson5910 (jim_thompson5910):
SA = 2*pi*r^2 + 2*pi*r*h SA = 2*pi*6^2 + 2*pi*6*15 SA = 72pi + 180pi SA = 252pi
jimthompson5910 (jim_thompson5910):
180pi is only the lateral surface area. It is the surface area of the sides and not the two bases.
OpenStudy (anonymous):
okay thanks :) Yeah someone else on here said that to me and it didn't seem right. Thanks for clarifying :)
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jimthompson5910 (jim_thompson5910):
it might have been a random guess or they may have misread
OpenStudy (anonymous):
yeah probably
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