| Math arc |
| Pie piece? |
| Angular unit |
| Angular measure |
| Arc of a circle |
| Angle measurement |
| Angle of a circle |
| Angle unit in math |
| Angular measurement |
| Angle-measuring unit |
| Angle measure in math |
| Unit of angular measure |
| Unit of angular measurement |
| About 57 degrees, mathematically |
| Roughly 57.295°, mathematically |