| Giver | Post | Date |
| Chinya | In the xy-plane, the points P, Q and S have coordinates (14,10), (1,0) | 23-Apr-2020 |
| arvindsridhar99 | In the xy-plane, the points P, Q and S have coordinates (14,10), (1,0) | 02-Jan-2020 |
| Vanessa46 | In the xy-plane, the points P, Q and S have coordinates (14,10), (1,0) | 09-Dec-2019 |