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kekeman:
Find the total surface area of a cylinder with a height of 7 cm and radius of 3 cm. Leave your answer in terms of π. 140π cm2 91π cm2 60π cm2 51π cm2
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snowflake0531:
\[Surface~area~of~cylinder:~~ 2\pi r^2 + 2\pi r(h)\]
snowflake0531:
So you have \[2\pi(9)+2\pi(3)(7) = 18\pi + 42\pi\] and then you can get your answer
kekeman:
60π cm2
snowflake0531:
yes
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