| Title | Difficulty | Solved By | Date Added |
|---|---|---|---|
| Complementary Angles 1 | easy | 83 (45%) | 2008-12-27 |
| Complementary Angles 2 | easy | 81 (44%) | 2008-12-27 |
| Supplementary Angles 1 | easy | 75 (40%) | 2008-12-27 |
| Supplementary Angles 2 | medium | 58 (31%) | 2008-12-27 |
| Straight Angle 1 | easy | 64 (34%) | 2008-12-24 |
| Vertical Angles 1 | medium | 42 (23%) | 2008-12-27 |
| Parallel Lines 1 | easy | 61 (33%) | 2008-12-27 |
| Parallel Lines 2 | easy | 59 (32%) | 2008-12-27 |
| Parallel Lines 3 | easy | 53 (28%) | 2008-12-27 |
| Parallel Lines 4 | hard | 29 (16%) | 2008-12-28 |
| Converse of Parallel Lines 1 | easy | 51 (27%) | 2008-12-28 |
| Converse of Parallel Lines 2 | medium | 42 (23%) | 2008-12-28 |
| Converse of Parallel Lines 3 | medium | 44 (24%) | 2008-12-28 |
| Converse of Parallel Lines 4 | hard | 24 (13%) | 2008-12-28 |
| Converse of Parallel Lines 5 | medium | 40 (22%) | 2008-12-28 |
| Parallelogram 1 | easy | 23 (12%) | 2008-12-29 |
| Parallelogram 2 | easy | 19 (10%) | 2008-12-29 |
| Parallelogram 3 | medium | 12 (06%) | 2008-12-29 |
| Parallelogram 4 | easy | 16 (09%) | 2008-12-29 |
| Parallelogram 5 | hard | 8 (04%) | 2008-12-29 |
| Parallelogram 6 | easy | 13 (07%) | 2008-12-29 |
| Parallelogram 7 | medium | 7 (04%) | 2008-12-29 |
| Parallelogram 8 | hard | 6 (03%) | 2008-12-29 |
| Parallels and Perpendiculars 1 | medium | 14 (08%) | 2009-01-14 |
| Parallels and Perpendiculars 2 | medium | 13 (07%) | 2009-01-18 |
| Parallels and Perpendiculars 3 | medium | 14 (08%) | 2009-01-18 |
| Triangle Sum Theorem 1 | easy | 47 (25%) | 2009-01-14 |
| Triangle Sum Theorem 2 | medium | 34 (18%) | 2009-01-18 |
| Triangle Sum Theorem 3 | hard | 22 (12%) | 2009-01-18 |
| Triangle Exterior Angle Theorem 1 | easy | 28 (15%) | 2009-01-18 |
| Quadrilateral Sum Theorem 1 | easy | 11 (06%) | 2009-01-18 |
| Similar Triangles 1 | easy | 16 (09%) | 2009-02-08 |
| Similar Triangles 2 | easy | 8 (04%) | 2009-02-08 |
| Similar Triangles 3 | medium | 4 (02%) | 2009-02-08 |
| Similar Triangles 4 | hard | 3 (02%) | 2009-02-08 |
| Congruent Triangles 1 | easy | 31 (17%) | 2009-02-08 |
| Congruent Triangles 2 | medium | 19 (10%) | 2009-02-08 |
| Congruent Triangles 3 | hard | 5 (03%) | 2009-02-08 |
| Congruent Triangles 4 | hard | 5 (03%) | 2009-02-08 |