plane
Chat with our AI personalities
pyramid
The surface area gives you an idea of how much space you have - for example, how many people can comfortably fit in a room. Also, you need to have a fairly precise idea of the surface area if you need to buy floor tiling.
floor
The room with no walls, floor, or ceiling is a "mushroom." This is a riddle where the term "room" is used in a playful way to describe the structure of a mushroom, which has a cap and stem but lacks the traditional boundaries of a room.
Yes. The room downstairs on the floor under it is too.