They were made of limestone.
Khufu built the great pyramid.Khafre built the great SphinxMenkaure built small pyramids.
The Pyramids of Giza (including the Great Pyramid) were built during the Old Kingdom. Most pyramids were built during the Old and Middle Kingdoms.
The first of the Great Pyramids, the Step Pyramid, was built in 3700 B.C. The last pyramids in Egypt were built between 1800-1700 B.C.
the slaves/workers literally built the pyramids, but the great pyramids were built in honor of Pharaohs, and is some of the Pharaoh's resting places.
The Egyptians.
All of them were built there.
AKA
They wern't built as triangles, they were built as square pyramids! ;)
Samarth the great, Johann the great and saksham the great did
When it was built it was 480ft. but today it is 450ft.
He built the Great Pyramids
Giza a suburb of Cairo