The dimensions of the blocks were used as a building module (unit of measure).
The royal chamber in the pyramid of Cheops is small. Its floor consists of five monolithic stone slabs, which separate the unloading chambers, the latter in which has a ceiling of two inclined stone blocks (see detail in Fig. 2.13). In this way, the floor of the royal chamber was unloaded from the pressure of the layers of masonry that lay above.
The pyramids at Giza form the ensemble of the necropolis - the City of the Dead, which has the right planning.