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Mathematics 7 Online
OpenStudy (anonymous):

What is the volume of the cylinder?

OpenStudy (anonymous):

|dw:1403148211253:dw|

OpenStudy (mayankdevnani):

\[\huge \bf \color{red}{Vol.~of~cylinder}=\color{blue}{\pi r^2h}\]

OpenStudy (mayankdevnani):

@Stephanie1000000 but i don't think that your diagram is a cylinder?

OpenStudy (mayankdevnani):

This is your diagram or not ? |dw:1403148419692:dw|

OpenStudy (mayankdevnani):

am i correct? @Stephanie1000000

OpenStudy (anonymous):

|dw:1403148838082:dw| this is more how it looked

OpenStudy (anonymous):

@mayankdevnani

OpenStudy (mayankdevnani):

oh!! sorry for wrong diagram, now use formula

OpenStudy (anonymous):

so the radius would be 11 so it would be pi (11) * 9

OpenStudy (mayankdevnani):

no its, pi(11)(11)(9) { r square}

OpenStudy (kendricklamar2014):

Radius = pi * r^2 * h

OpenStudy (anonymous):

oh yeah i forgot the ^2 the answer will be 3421.1944?

OpenStudy (kendricklamar2014):

Yes ^

OpenStudy (mayankdevnani):

correct

OpenStudy (kendricklamar2014):

Good Job @Stephanie1000000

OpenStudy (anonymous):

but my options to choose are a.484 b.319 c.1089 d.4356

OpenStudy (kendricklamar2014):

Is the radius 22 or 9?

OpenStudy (mayankdevnani):

|dw:1403149335756:dw|

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