✔ 最佳答案
Cylinder's volume:
V:Volume
r:radius
h:height
V=πr^2h
r=sqrt(V/(πh))
h=V/(πr^2)
2013-07-01 22:20:07 補充:
Example: given height is 10cm, volume is 10πcm^3, find the radius.
Let the radius be r cm.
10π=10πr^2
1=r^2
r=1
2013-07-01 22:20:33 補充:
You can use the formulas that you have been taught, and set up equations from them.