| Giver | Post | Date |
| davidkmarshall | O is the center of the circle above, OB=2, and angle AOB | 16-May-2016 |
| Asyak | O is the center of the circle above, OB=2, and angle AOB | 14-Jan-2016 |
| dija2590 | O is the center of the circle above, OB=2, and angle AOB | 01-Dec-2015 |
| tdhamit | O is the center of the circle above, OB=2, and angle AOB | 24-Jul-2015 |
| Beeofthemonth | O is the center of the circle above, OB=2, and angle AOB | 09-Jul-2015 |
| MartiCima | O is the center of the circle above, OB=2, and angle AOB | 26-Mar-2015 |
| maggie27 | O is the center of the circle above, OB=2, and angle AOB | 31-Aug-2014 |