| 100% | ACUTE | 5 | In mathematics, an angle of less than 90 degrees |
| 81% | ACUTE | 5 | In mathematics, an angle of less than 90º |
| 67% | ACUTE | 5 | Like an angle of less than 90° |
| 64% | ACUTE | 5 | Less than 90 degrees, as an angle |
| 63% | ACUTE | 5 | Like an angle measuring less than 90 degrees |
| 61% | ACUTE | 5 | An angle less than 90 degrees |
| 60% | OBTUSE | 6 | Angle of more than 90 but less than 180 degrees |
| 58% | ACUTE | 5 | Like an angle less than 90 degrees |
| 55% | ACUTE | 5 | Less than 90 degrees angle |
| 55% | ACUTE | 5 | Less than 90 degrees, in geometry |
| 53% | ACUTE | 5 | Angle less than 90 degrees |
| 52% | ACUTE | 5 | Less than 90, as an angle |
| 52% | ACUTE | 5 | Less than 90°, as an angle |
| 52% | MITRE | 5 | Wood joint made at an angle of 90 degrees |
| 52% | ACUTE | 5 | Like angles measuring less than 90 degrees |
| 50% | ACUTE | 5 | Like angles less than 90 degrees |
| 49% | ACUTE | 5 | Angle that's less than 90 degrees, say |
| 48% | OBTUSE | 6 | An angle larger than 90 degrees |
| 47% | OBTUSE | 6 | Angle greater than 90 degrees but less than 180 |
| 46% | ACUTE | 5 | Like an angle less than 90° |
| 46% | ACUTE | 5 | Less than 90 degrees |
| 46% | OBTUSE | 6 | An angle larger than 90 degrees; to be oblivious |
| 46% | ACUTE | 5 | Less than 90 degrees, anglewise |
| 44% | OBTUSE | 6 | An angle that's more than 90 degrees |
| 44% | ACUTE | 5 | Like an angle that's less than ninety degrees |
| 44% | OBTUSE | 6 | Like an angle that's more than 90 degrees |
| 44% | OBTUSE | 6 | Like an angle that's greater than 90 degrees |
| 43% | ACUTE | 5 | Less than 90°, in geometry |
| 43% | ACUTE | 5 | Like an angle that's less than 90° |
| 43% | ACUTEANGLE | 10 | Math measurement that's less than 90 degrees |