| Rating | Solver | Clue |
|---|---|---|
| NINETY | Right angle, ... degrees | |
| OBTUSE | Not pointed or acute; blunt; -- applied esp. to angles greater than a right angle, or containing more than ninety degrees. | |
| ACUTE | Less than 90 degrees (angle) | |
| PERPENDICULAR | Damage Apple incurred at the right angle | |
| SCALENE | Could be right angle to climb northeasterly | |