The ancient Egyptians, tasked with measuring the area of agricultural land around the Nile, used a variety of tools: ropes, poles, and rulers. Their calculations and measurements were very accurate and their skills unrivaled. With these skills, they were able to construct some of the grandest architectural marvels the world has seen, the Pyramids.

Originally released by PBS, 2012. Streaming video file encoded with permission for digital streaming by Infobase on February 13, 2017.

Mathematica—Geometrical Construction: The Fruit of Persistent Research (10:20); .