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Mathematics 11 Online
OpenStudy (anonymous):

What is the height of cylinder with a surface area of 226.08 square meters and a radius of 3 meters? (Use 3.14 for π.) 27 meters 18 meters 3 meters 9 meters

OpenStudy (anonymous):

\[A=2πrh+2πr2 \]

OpenStudy (anonymous):

We already know the area, so I just filled in "h" with each multiple choice until it came out to 226.08

OpenStudy (anonymous):

k

OpenStudy (anonymous):

The answer is 9.

OpenStudy (anonymous):

I would do the math, but, it just takes a while and I already posted the formula.

OpenStudy (anonymous):

But, I am certain the answer is 9

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