We have two empty cylindrical tanks standing on their base planes.
The first tank has the shape of an upright cylinder with a radius of 
. It is filled to two-thirds full with apple juice. Calculate the height of the tank. Round the result to the nearest tenth of a decimetre.
The second tank has the shape of an equilateral cylinder (the axial cross-section is square). Pour 
of apple juice into it and fill it to the top. Calculate the radius of the tank. Round the result to the nearest tenth of a decimetre..
