Sandy Wilson

Euclid

Biography-325-265 BCE-Went to Plato's school in Ancient Greece -Wrote The Elements

The Father of Geometry

The Elements-Oldest book consisting of geometrical theorems, considered to be a standard for logical exposition.-Volumes 1-6: Plane Geometry; Volumes 7-9: Number Theory; Volume 10: Exodus’ Theory of Irrational Numbers; Volumes 11-13: Solid Geometry.- Contains definitions, postulates and axioms, "common notions"

5 Postulates

Construction of an equilateral triangle

Today we study Euclidean geometry, however new discoveries have led us to learn non-Euclidean geometry (curved lines in shapes).

Sandy Wilson