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  1. Geometry (all content) - Khan Academy

    Geometry (all content) Unit 1: Lines Lines, line segments, and rays Measuring segments Parallel and perpendicular Points, lines, & planes Geometric definitions The golden ratio

  2. Geometry - Wikipedia

    Geometry[a][1] is a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures. [2] Geometry is, along with arithmetic, …

  3. Geometry | Definition, History, Basics, Branches, & Facts | Britannica

    Geometry, the branch of mathematics concerned with the shape of individual objects, spatial relationships among various objects, and the properties of surrounding space.

  4. Géométrie - GeoGebra

    Interactif et gratuit sur internet : l'outil de géométrie par GeoGebra ! Créez des triangles, des cercles, des angles, des transformations, et bien plus encore !

  5. Geometry - Math is Fun

    Geometry is all about shapes and their properties. If you like playing with objects, or like drawing, then geometry is for you!

  6. Geometry lessons - School Yourself

    Geometry The mathematics of lines, shapes, and angles. Essential stuff for describing the world around you. « Back to dashboard 1. Lines and angles Lines, rays, & segments

  7. Basic Geometry

    Geometry is the branch of mathematics that deals with the study of points, lines, angles, surfaces, and solids. Understanding these fundamental concepts lays the foundation for exploring more …

  8. Geometry of Circles, Triangles, Quadrilaterals, Trapezoids, Proofs …

    Share this Graph Interactive Triangle Geometry Calculator Geometry Worksheets (with keys) Angles Circles (formulas, rules and theorems) Polygons

  9. Geometry - Definition, Types, Formula, Pdf - Examples

    Feb 10, 2025 · Geometry is a branch of mathematics that deals with the study of shapes, sizes, and the properties of space. It focuses on the relationships between points, lines, surfaces, …

  10. Géométrie — Wikipédia

    La géométrie est à l'origine la branche des mathématiques étudiant les figures du plan et de l' espace (géométrie euclidienne). Depuis la fin du XVIIIe siècle, la géométrie étudie également …