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

Dec 19, 2025 · You draw with your finger on your smartphone or tablet. sketchometry converts your sketches into precise geometric constructions that you can modify and move. …

The process of geometric drawing is based on constructions with a ruler and compass, which in turn are based on the first three postulates of Euclid's Elements.

Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

Master geometry drawing through interactive games and exercises. Learn perfect circles, squares, triangles and more while understanding geometric principles.

Draw what you want here! Excellent as an electronic whiteboard. You can nudge the most recent addition by using the up down left right keys....

Whether you're preparing for a geometry exam, an art project, or just want to create something beautiful, this tutorial provides clear instructions and visual aids to guide you every step of the...