Rotate a Point (around origin)
Enter (x, y), angle, and direction. We compute x' and y' using standard 2D rotation formulas.
Display x' and y' equations
Rotate a Point (around custom pivot)
Use pivot (h, k). We apply: translate -> rotate -> translate back.
Display steps
Rotate Multiple Points / Shape
Enter points one per line as: x,y. Optionally rotate around pivot (h, k).
For polygon visualization
Graph & Animation
We draw the original and rotated points on a 2D plane. Animation runs on canvas (lightweight).
Share results
Degrees ↔ Radians Converter
Convert angle units for geometry, physics, and engineering calculations.
Output
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Open