Interactive geometry tools that show their work
Every tool draws an accurate, to-scale diagram and explains each step, so you can check homework, prepare lessons, or export a clean figure for a worksheet.
Interactive Unit Circle
Drag the angle and see sin, cos and tan update live, with exact values for every special angle. Printable chart included.
Triangle Solver
Enter any three values. Get every side and angle, area, a to-scale diagram, and a step-by-step solution, including the ambiguous SSA case.
Transformations Calculator
Translate, rotate, reflect or dilate a shape on the coordinate plane. See the coordinate rule, the image points, and an animation of each move.
AI Geometry Solver
Type or photograph a geometry problem and get a verified diagram with a worked solution. Coming soon.