Timeline for Triangles with Congruent Corresponding Sides that Cannot fold into a Tetrahedron
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 28, 2012 at 22:57 | vote | accept | drum | ||
| Feb 28, 2012 at 22:34 | history | answered | Igor Rivin | CC BY-SA 3.0 |