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Mathematics 19 Online
OpenStudy (anonymous):

Will medal/fan

OpenStudy (michaelalex292):

I know what it is, but I don't know how to explain it that well. Is that okay for you?

OpenStudy (anonymous):

Try your best!

OpenStudy (michaelalex292):

Well, using the formula for volume of the cylinder

OpenStudy (anonymous):

Ok, just figure out the volumes of the two and then compare. The volume of a cylinder is \[\large V=\pi*r^{2}*h\]

OpenStudy (michaelalex292):

V = (pi) (r ^2) (h)

OpenStudy (michaelalex292):

cylinder a is 4pi, while cylinder b is 8pi

OpenStudy (pawanyadav):

Πr^2h1/Πr^2h2 =h1/h2

OpenStudy (michaelalex292):

Therefore the ratio is 1/2, or 1:2

OpenStudy (michaelalex292):

Answer: A

OpenStudy (anonymous):

Ahh thank you!

OpenStudy (michaelalex292):

No problem

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