Euclidean and Non-Euclidean Geometry Euclidean Geometry Euclidean Geometry is the study of geometry based on definitions, undefined terms (point, line and plane) and the assumptions of the mathematician Euclid (330 B.C.)Euclid's text Elements was the first systematic discussion of geometry. While many of Euclid's findings had been previously stated by earlier Greek … [Read more...] about Euclidean and Non-Euclidean Geometry