Thread: a cylinder full of water

A right cylinder is full of water with a height of 24 cm and radius
of 6
cm. It is placed into a right cylinder with a radius of 9 cm and
drilled
by the middle of its height. If we don't want the water to overflow
what must be the height of the cylinder with the radius of 9 cm?

You want:



Solve for .

Many Thanks.