| Recipient | Post | Date |
| sandy | Re: In the circle, line segments AD, BE, and CF all pass through | 20-Sep-2021 |
| sandy | Re: Points W, X, Y, and Z are on a line, not necessarily in that | 20-Sep-2021 |
| chirag95 | Re: Points W, X, Y, and Z are on a line, not necessarily in that | 20-Sep-2021 |