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.

Welcome to Geometry Dash, the fast-paced, music-driven platformer that blends addictive gameplay with pulse-pounding beats. Whether you’re playing the free Geometry Dash Lite or diving into the full …

Play all Geometry Dash versions and top browser games in one place. Explore GD Classic, Lite, World, SubZero, Meltdown, Freezenova

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

Apr 17, 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 all about shapes and their properties. If you like playing with objects, or like drawing, then geometry is for you!

Interactive, free online geometry tool from GeoGebra: create triangles, circles, angles, transformations and much more!