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Mathematics 13 Online
OpenStudy (anonymous):

What is the exact volume of the cylinder? A. 54π in^3 B. 108π in^3 C. 162π in^3 D. 324π in^3 http://static.k12.com/calms_media/media/1422500_1423000/1422964/1/ad1863c56de1fcc77102c915dfb34cf24d7c2da4/MS_PA_131002_171323.jpg

Mehek (mehek14):

do you know the formula?

OpenStudy (anonymous):

yeah

Mehek (mehek14):

ok tell me what it is

OpenStudy (anonymous):

πr^2h

Mehek (mehek14):

ok good you know it

Mehek (mehek14):

so what is the radius?

Mehek (mehek14):

in the pic

OpenStudy (anonymous):

6

Mehek (mehek14):

what is \(\Large{6^2}\)?

OpenStudy (anonymous):

36

Mehek (mehek14):

36 * height?

OpenStudy (anonymous):

324

Mehek (mehek14):

324*3.14?

OpenStudy (anonymous):

1,017.36

Mehek (mehek14):

I don't know why the answer isn't in your answer choice

Mehek (mehek14):

oh wait don't multiply pi

Mehek (mehek14):

so 324pi

OpenStudy (anonymous):

yeah, that's what confused me. i thought i was doing it wrong but i guess not

OpenStudy (anonymous):

so that's it?

Mehek (mehek14):

no I thought it asked for the volume like multiply everything but you're not supposed to multiply 324 by pi because that is in the answer choice

OpenStudy (anonymous):

ok

Mehek (mehek14):

it's 324pi

OpenStudy (anonymous):

okay, thanks c:

Mehek (mehek14):

your welcome :]

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