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

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! …

Whether you're a casual player seeking quick entertainment or a hardcore gamer chasing perfect completion rates, Geometry Dash offers endless geometric challenges that test reflexes, …

Dashmetry is a fast-paced rhythm platform game where reflexes, timing, and creativity come together. Each run challenges players to guide their icon through obstacle-filled levels synced …

Geometry Dash Lite is a free action rhythm-based platformer. Test your reflexes by controlling a character to survive obstacles in this challenging 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.

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!

Geometry Dash is a 2D platformer game where you are in charge of moving a shape through a bunch of obstacles, all to the beat of the music. The square actually moves by itself, and all …

Learn high school geometry—transformations, congruence, similarity, trigonometry, analytic geometry, and more (aligned with Common Core standards).