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Transformation Rules
| Term | Definition |
|---|---|
| r over x axis | ( x, -y) |
| r over y axis | (-x, y) |
| r over y=x | (y, x) |
| r over y=-x | (-y, -x) |
| r over origin / point reflection | (-x, -y) |
| R 90 | (-y, x) |
| R 180 | (-x, -y) |
| R 270 | ( y, -x) |
| T a,b | (x+a, y+b) |
| Dk | (kx, ky) |