Four sides on the outside, depending on its chambers, many more.
they are called chambers
they are called chambers
it was a pyramid but it had loads of Chambers and it wasn't meant to be for him.
Not all pyramids have subterranean chambers. Some pyramids, like the Pyramid of Khufu in Egypt, do have subterranean chambers, while others, like the Pyramid of the Sun in Mexico, do not. The presence of subterranean chambers depends on the design and purpose of each pyramid.
under ground chambers
There is much debate about the number of rooms inside of the Great Pyramid at Giza. There are three burial chambers, but there may be other rooms inside of the pyramid that have not been discovered yet.
There is a single passage located high up on the north side of the pyramid. The passage leads to three chambers: two ante chambers and one burial chamber.
The Pharaoh's treasure, and the things he needed to get to the after world.
To hide more treasure
A Mastaba in Abydos with chambers b17 and b 18
The pyramid itself is not underground but one of its three burial chambers is underground and carved into the bedrock.