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

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.

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

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 …

Apr 22, 2026 · Geometry, the branch of mathematics concerned with the shape of individual objects, spatial relationships among various objects, and the properties of surrounding space.

Geometry is a part of mathematics that deals with the relationships of points, lines, angles, surfaces, solids measurement, and properties. There are two types of geometry: 2D or plane geometry and 3D …

Mar 25, 2026 · Geometry is the study of figures in a space of a given number of dimensions and of a given type.

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!