RADIAN
| Date | Clue |
|---|---|
| 2026-04-08 | Unit of angular measurement |
| 2026-02-12 | Angular unit of measurement |
| 2024-06-07 | Trigonometry unit |
| 2020-06-19 | Measure equal to about 57° |
| 2019-03-10 | Angular measurement |
| 2013-09-05 | Pie piece? |
| 2004-09-10 | Angular measurement |
| 1995-11-12 | Angle measurement |