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Mathematics 14 Online
OpenStudy (anonymous):

Geometry help

OpenStudy (anonymous):

OpenStudy (anonymous):

I know its v=271.4 in pie=3.14 r=6

OpenStudy (jack1):

do you know the equation for volume of a cylinder?

OpenStudy (jack1):

v = area of base x height v = pi r^2 x h you know V you know pi you know r so just work back to find h

OpenStudy (anonymous):

so 271.4 in= 314 * 6^2

OpenStudy (jack1):

not quite: 271.4 in= 3.14 * 6^2 x Height

OpenStudy (anonymous):

271.4=113.04 x h

OpenStudy (jack1):

yep

OpenStudy (anonymous):

now what do i do?

OpenStudy (jack1):

\[271.4 = 113.04h\] so \[h = 271.4/113.04\]

OpenStudy (anonymous):

2.4

OpenStudy (jack1):

spot on

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