Beginning of Essay
Although the original roots of geometry can be traced to the Egyptians, the Greeks built on most Egyptian theories that we use today. Greek astronomy and Greek geometry were both used in order to answer many difficult questions of the time. Without geometry, the s ....

Middle of Essay
.... two straight lines intersect, then the opposite angles formed are equal. Thales also did much work with the height of pyramids by measuring the height of the pyramid’s shadow only at a specific time of the day. While most of his theorems were proven, some that were not pertained to a ship’s distance from shore and the bisector of a circle. His discoveries led to the formation of many other theorems by later Greeks such as Pythagoras and Plato. These two men (next to Thales) contributed the most to Greek geometry. Pythagoras discovered and proved many different theorems and ideas that contributed greatly to the development of geometry. S ....