Pyramids of Giza including a map and Pyramid List. Of necessity, the building's geometry was altered at a point just above half its height. The angle of incline. The pyramid of Khufu - Output / performance - Building material - Dimensions of largest, however there are over 30 major pyramids and a myriad of smaller pyramids in Egypt. At 50m height already 82% of the entire pyramid was built [3 ]. The Great Pyramid of Giza is the oldest and largest of the three pyramids in the Giza pyramid complex bordering what is now El Giza, Egypt. The ratio of the perimeter to height of / royal cubits equates to 2π to an accuracy of better Khufu · Lincoln Cathedral · Fourth Dynasty of Egypt · Pyramidion.