| Title | Difficulty | Solved By | Date Added |
|---|---|---|---|
| Complementary Angles 1 | easy | 56 (90%) | 2008-12-27 |
| Complementary Angles 2 | easy | 55 (89%) | 2008-12-27 |
| Supplementary Angles 1 | easy | 52 (84%) | 2008-12-27 |
| Supplementary Angles 2 | medium | 45 (73%) | 2008-12-27 |
| Straight Angle 1 | easy | 47 (76%) | 2008-12-24 |
| Vertical Angles 1 | medium | 41 (66%) | 2008-12-27 |
| Parallel Lines 1 | easy | 46 (74%) | 2008-12-27 |
| Parallel Lines 2 | easy | 46 (74%) | 2008-12-27 |
| Parallel Lines 3 | easy | 46 (74%) | 2008-12-27 |
| Parallel Lines 4 | hard | 39 (63%) | 2008-12-28 |
| Converse of Parallel Lines 1 | easy | 43 (69%) | 2008-12-28 |
| Converse of Parallel Lines 2 | medium | 38 (61%) | 2008-12-28 |
| Converse of Parallel Lines 3 | medium | 36 (58%) | 2008-12-28 |
| Converse of Parallel Lines 4 | hard | 17 (27%) | 2008-12-28 |
| Converse of Parallel Lines 5 | medium | 35 (56%) | 2008-12-28 |
| Parallelogram 1 | easy | 38 (61%) | 2008-12-29 |
| Parallelogram 2 | easy | 38 (61%) | 2008-12-29 |
| Parallelogram 3 | medium | 31 (50%) | 2008-12-29 |
| Parallelogram 4 | easy | 39 (63%) | 2008-12-29 |
| Parallelogram 5 | hard | 20 (32%) | 2008-12-29 |
| Parallelogram 6 | easy | 36 (58%) | 2008-12-29 |
| Parallelogram 7 | medium | 27 (44%) | 2008-12-29 |
| Parallelogram 8 | hard | 18 (29%) | 2008-12-29 |
| Parallels and Perpendiculars 1 | medium | 29 (47%) | 2009-01-14 |
| Parallels and Perpendiculars 2 | medium | 28 (45%) | 2009-01-18 |
| Parallels and Perpendiculars 3 | medium | 28 (45%) | 2009-01-18 |
| Triangle Sum Theorem 1 | easy | 35 (56%) | 2009-01-14 |
| Triangle Sum Theorem 2 | medium | 28 (45%) | 2009-01-18 |
| Triangle Sum Theorem 3 | hard | 22 (35%) | 2009-01-18 |
| Triangle Exterior Angle Theorem 1 | easy | 35 (56%) | 2009-01-18 |
| Quadrilateral Sum Theorem 1 | easy | 32 (52%) | 2009-01-18 |
| Similar Triangles 1 | easy | 34 (55%) | 2009-02-08 |
| Similar Triangles 2 | easy | 28 (45%) | 2009-02-08 |
| Similar Triangles 3 | medium | 20 (32%) | 2009-02-08 |
| Similar Triangles 4 | hard | 10 (16%) | 2009-02-08 |
| Congruent Triangles 1 | easy | 29 (47%) | 2009-02-08 |
| Congruent Triangles 2 | medium | 22 (35%) | 2009-02-08 |
| Congruent Triangles 3 | hard | 11 (18%) | 2009-02-08 |
| Congruent Triangles 4 | hard | 8 (13%) | 2009-02-08 |