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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 - 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!

  3. Khan Academy | Khan Academy

    Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today!

  4. 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.

  5. 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! They have two …

  6. 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, and solids in a …

  7. 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 prehistoric …

  8. Geometry - Formulas, Examples | Plane and Solid Geometry - Cuemath

    Geometry (from the Ancient Greek: geo- "earth", -metron "measurement") is a branch of mathematics, that is primarily concerned with the shapes and sizes of the objects, their relative position, and the …

  9. Geometry - GeeksforGeeks

    Jul 23, 2025 · This section introduces fundamental geometry topics, including points, lines, angles, triangles, quadrilaterals, circles, and polygons. You'll also learn key theorems and real-life …

  10. 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.