| 100% | ACUTE | 5 | Less than 90 degrees angle |
| 91% | ACUTE | 5 | Less than 90 degrees, as an angle |
| 87% | ACUTE | 5 | Angle less than 90 degrees |
| 82% | ACUTE | 5 | An angle less than 90 degrees |
| 82% | ACUTE | 5 | Like angles less than 90 degrees |
| 80% | ACUTE | 5 | Angle that's less than 90 degrees, say |
| 79% | ACUTE | 5 | Like an angle less than 90 degrees |
| 79% | ACUTE | 5 | Like angles measuring less than 90 degrees |
| 78% | OBTUSE | 6 | Angle greater than 90 degrees but less than 180 |
| 76% | ACUTE | 5 | Like an angle measuring less than 90 degrees |
| 76% | ACUTE | 5 | Less than 90 degrees |
| 75% | ACUTE | 5 | Less than 90 degrees, anglewise |
| 74% | ACUTE | 5 | Less than 90 degrees, in geometry |
| 73% | ACUTE | 5 | In mathematics, an angle of less than 90 degrees |
| 71% | ACUTEANGLE | 10 | Math measurement that's less than 90 degrees |
| 70% | ACUTE | 5 | Less than 90, as an angle |
| 70% | ACUTE | 5 | Less than 90°, as an angle |
| 67% | OBTUSE | 6 | Angle of more than 90 but less than 180 degrees |
| 66% | ACUTE | 5 | Less than 90 (degrees) |
| 62% | ACUTE | 5 | Like less-than-90-degree angles |
| 61% | ACUTE | 5 | Like an angle less than 90° |
| 61% | OBTUSE | 6 | An angle larger than 90 degrees |
| 58% | OBTUSE | 6 | An angle larger than 90 degrees; to be oblivious |
| 58% | ACUTE | 5 | Like an angle of less than 90° |
| 57% | ACUTE | 5 | Less than 90° |
| 56% | ACUTE | 5 | Less than 90°, in geometry |
| 55% | ACUTE | 5 | Like an angle that's less than 90° |
| 55% | ACUTES | 6 | Multiple angles that are less than ninety degrees |
| 55% | OBTUSE | 6 | An angle that's more than 90 degrees |
| 55% | ACUTE | 5 | Sharper than 90 degrees |