(The question is referring to how Egypt could built the pyramids)
Answer:
Mathematics.
Architecture.
Step-by-step explanation:
The Pyramid and the Sphinx was predicted to built around 2550 to 2490 B.C. This was a really impressive accomplishment considering how limited the scientific knowledge that most countries in the world had at the time.
These structures proved that at that time, The Egyptians might have a more advanced knowledge in Mathematics and architecture compared to the rest of the world.