The figure is not drawn to scale. It shows an empty container made up of a cuboid, measuring 42 cm by 26 cm by 26 cm and 2 similar cubes of sides 9 cm. Line E is 11 cm. 13.59 ℓ of water is poured into the top cube into the cuboid.
- What is the height of the water level from the base of the container?
- How much more water in cm3 must be poured in so that the water fills up 15 of the top cube?