Look Inside (1)
- Renáta Vágová
a) How many layers of cube C do you have to unwrap to get to one single unit cube?
b) How many unit cubes does each layer have? (Start with the visible (outer) layer and write the answer in the form "'number' and 'number' and 'number' and etc.")
c) How many unit cubes are hidden in cube C that cannot be seen at all?
d) How many unit cubes of the visible layer touch the faces of unit cubes of the previous layer?
e) Remove the unit cubes from cube C that have just three touching faces with the other unit cubes. How many unit cubes remain in the visible layer?