They didn't.
They buried him in it, and then sealed it up.
Passageways were left inside it while it was being built. These allowed people to bring the funeral items into the pyramid when the time came.
The pharaoh was buried under the pyramid, or near the bottom of the pyramid.
The Great Pyramid of Giza is used to bury a Pharaoh.
The step pyramid was important because it was a place to hold dead bodies and to bury the pharaoh or leader.
this is how the ancient Egyptians buried their Pharaohs (kings) and members of their royal families.
The Pharaoh was buried under or in there pyramid or in there tomb.
It is a tomb for fourth dynasty Egyptian Pharaoh Khufu.
No pharaoh has ever been found in a pyramid
The Great Pyramid, built under the rule of Pharaoh Khufu, is located in modern Cairo.
the builder of the Great Pyramid Pharaoh Khufu
Menkaura (2532-03BC) was Pharaoh of Egypt and the construction of the third Gizah pyramid was well under way.
KhufuThe largest pyramid was built by the Pharaoh, Khufu. It was a maze of passages, and the pharaoh built a fake chamber for the queen, which was never finished.
the great pyramid of Giza was built as a tomb for the pharaoh khufu