| Giver | Post | Date |
| drbernieb | In the figure above, the radius of circle with center O is 1 | 05-Dec-2016 |
| yousefalj | In the figure above, the radius of circle with center O is 1 | 24-Nov-2016 |
| PhillipKarol | In the figure above, the radius of circle with center O is 1 | 24-Oct-2016 |
| ceps | In the figure above, the radius of circle with center O is 1 | 10-Oct-2016 |
| stacymc | In the figure above, the radius of circle with center O is 1 | 30-Aug-2016 |
| msrivas2 | In the figure above, the radius of circle with center O is 1 | 10-May-2016 |
| mhill5446 | In the figure above, the radius of circle with center O is 1 | 29-Apr-2016 |
| mestrec | In the figure above, the radius of circle with center O is 1 | 09-Feb-2016 |
| imahila | In the figure above, the radius of circle with center O is 1 | 24-Nov-2015 |
| chenm93 | In the figure above, the radius of circle with center O is 1 | 10-Nov-2015 |
| wimpytots | In the figure above, the radius of circle with center O is 1 | 20-Aug-2015 |
| gmatbuster8 | In the figure above, the radius of circle with center O is 1 | 05-Mar-2015 |
| mtomaz | In the figure above, the radius of circle with center O is 1 | 27-Nov-2014 |
| eckim | In the figure above, the radius of circle with center O is 1 | 28-Sep-2014 |
| JN53 | In the figure above, the radius of circle with center O is 1 | 28-Sep-2014 |
| mhberro | In the figure above, the radius of circle with center O is 1 | 22-Sep-2014 |
| Anonymous | In the figure above, the radius of circle with center O is 1 | 13-Apr-2009 |
