The form of these structures is not stepped, as in neighboring buildings, but strictly geometric, pyramidal. The walls of the pyramids have an angle of inclination from 51 ° to 53 °.All faces are oriented exactly on four sides of the world.The height of the pyramids varies from 66 to 143 meters. For comparison, this is like 5 nine-storey houses, exposed to each other.
On average, blocks of pyramids weigh 2.5 tons, but there are also those that exceed 80 tons.Presumably, the construction time took only a few dozen years, and not centuries.The number of blocks that make up the Cheops pyramid is 2.
5 million.Cement or some other binder in the construction of the pyramids was not used. The huge stones are simply incredibly well laid