Non-Euclidean geometry, literally any geometry that is not the same as Euclidean geometry. Although the term is frequently used to refer only to hyperbolic geometry, common usage includes those few geometries (hyperbolic and spherical) that differ from but are very close to Euclidean geometry.
Geometry
axioms - Is Non-Euclidean geometry really Non? - Mathematics Stack Exchange
Non-Euclidean Geometry
Non Euclidean Geometry – An Introduction – IB Maths Resources from Intermathematics
Non-Euclidean Geometry, Kid Celephais Wiki
PPT - Non-Euclidean Geometry PowerPoint Presentation, free download - ID:2040432
History of Geometry
Geometry - Formulas, Examples
Euclids Geometry - Definition, Axioms, Postulates, Examples, FAQs
What Are Euclidean and Non-Euclidean Geometry? - Quick and Dirty Tips
Hyperbolic Geometry, Overview & Applications - Lesson
Introduction to Geometric Deep Learning
Euclid's Axiomatic Geometry: Developments & Postulates - Lesson
what does Non Euclidean geometry mean??