| Title | Difficulty | Solved By | Date Added |
|---|---|---|---|
| Congruent Triangles 1 | easy | 526 (79%) | 2010-11-16 |
| Congruent Triangles 2 | easy | 549 (82%) | 2010-11-16 |
| Congruent Triangles 3 | easy | 390 (58%) | 2010-11-16 |
| Congruent Triangles 4 | medium | 286 (43%) | 2010-11-16 |
| Congruent Triangles 5 | medium | 242 (36%) | 2010-11-16 |
| Congruent Triangles 6 | medium | 206 (31%) | 2010-11-16 |
| Congruent Triangles 7 | hard | 169 (25%) | 2010-11-16 |
| Congruent Triangles 8 | hard | 211 (32%) | 2010-11-16 |