| Giver | Post | Date |
| Amiya01 | Re: The vertex of a parallelogram are (1, 0), (3, 0), (1, 1) and (3, 1) | 19-Jan-2021 |
| Fdambro294 | Re: The vertex of a parallelogram are (1, 0), (3, 0), (1, 1) and (3, 1) | 23-Sep-2020 |
| Juliaz | | 10-Apr-2018 |
| sindhugh | | 24-Mar-2018 |
| Novice90 | | 24-Mar-2018 |
| Brownwood | | 08-Jul-2016 |
| jpvemula | Re: The vertex of a parallelogram are (1, 0), (3, 0), (1, 1) and (3, 1) | 11-May-2016 |