Asked by Callie
If a big cylinder has the radius of 24cm and a height of 18cm, what would the height be for the smaller cylinder with 4cm as the radius?
Thank you so much.
Thank you so much.
Answers
Answered by
DrBob222
Is the volume of the small cylinder the same as the volume of the large cylinder. I think it must be; otherwise, I don't believe you can solve the problem.
Answered by
Callie
Yes.
Answered by
Callie
I've been at this since 3:00 and I'm getting nervous. I really need help.
Answered by
DrBob222
volume of large cylinder = pi*r^2*h = 3.14(24)^2(18) = ? cc.
For the small cylinder
V = pi*r^2*h
?cc from above = 3.14(4)^2*h
Solve for volume of large cylinder, substitute that for volume of small cylinder and solve for h of small cylinder.
For the small cylinder
V = pi*r^2*h
?cc from above = 3.14(4)^2*h
Solve for volume of large cylinder, substitute that for volume of small cylinder and solve for h of small cylinder.
Answered by
Callie
the answers are
A. 3cm
B. 6 cm
C. 9 cm
D. 18 cm
with a radius of 4 cm.
A. 3cm
B. 6 cm
C. 9 cm
D. 18 cm
with a radius of 4 cm.
Answered by
DrBob222
None of those numbers fit. Do you have a picture of the cylinder? Is it a regular (right) cylinder or an ellipsoid cylinder. It must not be a right cylinder. Here is a picture of a right cylinder. You can google image cylinder and see what the ellipsoid one looks like.
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