Respuesta :

thequynhnguyenp7ip6a
1. use google
2. here is the formula
[tex]2\pi \: r \: h \: + 2\pi \: r ^{2} [/tex]
3. plug it in
Formula for surface area of a cylinder with base radius r and height h is:

[tex]2\pi r^2+2\pi rh[/tex]

Now, just plug in 2 for r and 9 for h:

[tex]2\pi(2)^2+2\pi(2)(9)[/tex]
[tex]8\pi+36\pi[/tex]
[tex]44\pi[/tex]

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