| Rating | Solver | Clue |
|---|---|---|
| RIGHTANGLED | At 90 degrees to | |
| PERPENDICULAR | A straight line at 90 degrees to a surface | |
| RIGHTANGLE | 90 degrees | |
| RIGHT-ANGLED | At 90° to (5-6) | |
| ACUTE | Less than 90 degrees (angle) | |
| SOUTHEAST | At 135 degrees from north | |
| PLUCK | To reject at an examination for degrees. | |