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Mathematics 11 Online
OpenStudy (anonymous):

Is the surface area of a cylinder: 2 x 3.14 x r + 2 x 3.14 x r x h ?

OpenStudy (goldphenoix):

\[2 π r2 + 2 π r h\]

OpenStudy (goldphenoix):

So the formula you have given for the surface area of cylinder is incorrect.

OpenStudy (goldphenoix):

You forgot to square the radius.

OpenStudy (goldphenoix):

I hoep this help!

OpenStudy (anonymous):

Ohh okay! Thanks!

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