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  1. Geometry - Wikipedia

    Geometry is, along with arithmetic, one of the oldest branches of mathematics. A mathematician who works in the field of geometry is called a geometer.

  2. 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.

  3. 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!

  4. GEOMETRY Definition & Meaning - Merriam-Webster

    The meaning of GEOMETRY is a branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids; broadly : the study …

  5. 1. Introduction to Geometry - Interactive Mathematics

    Geometry is a field of mathematics that relates to objects, or geometric shapes as they are referred to, and their sizes, shapes, positions, or spacial properties.

  6. Geometry - Math.net

    Geometry is a branch of mathematics that includes the study of shape, size, and other properties of figures. It is one of the oldest branches of mathematics and may have been used even in …

  7. Why Learn Geometry? Definition and Uses - ThoughtCo

    Apr 30, 2025 · Geometry helps us understand shapes and spaces, and is part of math from early schooling onwards. We use geometry every day, like when we park a car or create art and …

  8. GoGeometry - Geometry Problems, Lessons and Tutorials

    Dec 28, 2025 · GoGeometry.com offers free educational resources and over 1600 illustrated problems to help geometry students practice and learn.

  9. Geometry - from Wolfram MathWorld

    Dec 22, 2025 · Geometry is the study of figures in a space of a given number of dimensions and of a given type.

  10. Geometry Definition, History & Branches - Lesson | Study.com

    What is a simple definition of geometry? Geometry is the mathematical study of lines, shapes, and surfaces.