| Title | Difficulty | Solved By | Date Added |
|---|---|---|---|
| Congruent Triangles 1 | easy | 66 (86%) | 2010-11-16 |
| Congruent Triangles 2 | easy | 72 (94%) | 2010-11-16 |
| Congruent Triangles 3 | easy | 60 (78%) | 2010-11-16 |
| Congruent Triangles 4 | medium | 43 (56%) | 2010-11-16 |
| Congruent Triangles 5 | medium | 38 (49%) | 2010-11-16 |
| Congruent Triangles 6 | medium | 34 (44%) | 2010-11-16 |
| Congruent Triangles 7 | hard | 21 (27%) | 2010-11-16 |
| Congruent Triangles 8 | hard | 22 (29%) | 2010-11-16 |