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  1. Geometry (all content) - Khan Academy

    Learn geometry—angles, shapes, transformations, proofs, and more.

  2. Geometry lessons - School Yourself

    Essential stuff for describing the world around you. 1. Lines and angles. 2. Related angles. What about angles bigger than 360 degrees? 3. Triangles. See if it's really true, and then prove it! …

  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. Geometry - Wikipedia

    Geometry (from Ancient Greek γεωμετρία (geōmetría) 'land measurement'; from γῆ (gê) 'earth, land' and μέτρον (métron) 'a measure') [1] is a branch of mathematics concerned with …

  5. Geometry -- from Wolfram MathWorld

    Jun 18, 2025 · Geometry is the study of figures in a space of a given number of dimensions and of a given type. The most common types of geometry are plane geometry (dealing with objects …

  6. What Is Geometry in Math? Definition, Solved Examples, Facts

    Geometry is a branch of mathematics that deals with shapes, sizes, angles, and dimensions of objects. Explore 2D and 3D shapes, angles in geometry with examples!

  7. 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!

  8. Geometry - Mathematics LibreTexts

    Geometry is, with arithmetic, one of the oldest branches of mathematics. It is concerned with properties of space that are related with distance, shape, size, and relative position of figures.

  9. Geometry - Formulas, Examples | Plane and Solid Geometry

    Geometry is a main branch of mathematics that studies Shapes, Sizes, Angles, Triangles, Polygons, etc. Learn Geometry with interesting concepts, examples, and solutions from cuemath

  10. Introduction to Geometry - Types and Examples - AllMath

    Nov 23, 2023 · A fundamental branch of mathematics that focuses on the relations and properties of surfaces, points, solids, and lines in space is known as geometry. It involves the study of …

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