📐 Geometry Playground
Drag the three corners of the triangle. Watch the angles always add up to 180°, the side lengths change, and the area update live. Math you can grab with your fingers. Try to make a right angle (90°).
Live measurements
Drag the three corners of the triangle. Watch the angles always add up to 180°, the side lengths change, and the area update live. Math you can grab with your fingers. Try to make a right angle (90°).