41. Cylinder A has a radius of 1 m and a height of 3 m. Cylinder B has a radius of 3 m and a height of 3 m. What is the ratio of the volume of cylinder A to the volume of cylinder B? (1 point)
I think its 1:3
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geerky42 (geerky42):
None, not 1:3
Do you know the volume of cylinder?
OpenStudy (anonymous):
Then 3:1?
the answer choices are
1:1
1:3
1:9
3:1
geerky42 (geerky42):
You can start write ratio like this: \(\pi r^2h : \pi r^2h\)
geerky42 (geerky42):
which is same as \(r^2 h : r^2 h\), because \(\pi\)s cancel each other
So what is radius of cylinder A? Height?
OpenStudy (anonymous):
so would it be 1:9? since they both go into 9
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geerky42 (geerky42):
both? what do you mean?
geerky42 (geerky42):
How, I mean
OpenStudy (anonymous):
1 and 3, and 3 and 3
OpenStudy (anonymous):
1 and 3 is 3, 3 and 3 is 9
geerky42 (geerky42):
well, yes, but remember, radius is squared.
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OpenStudy (anonymous):
so what would the answer be?
geerky42 (geerky42):
you will find this answer yourself, im here only to guide you...|dw:1402095785733:dw|
above, you plug in from cylinder A, for below, plug in from cylinder B