In Geometry Dash, players control a cube to navigate through terrains in the level to the rhythm of the playing music. You have to avoid all tricky traps that will immediately end the game upon contact.

Official Geometry Dash website by RobTop Games. Play the browser demo, view top player leaderboards, and get the game.

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.

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.

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

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

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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 …

This site contains high school Geometry lessons on video from four experienced high school math teachers. There are also packets, practice problems, and answers provided on the site.