2007 JBMO Problems/Problem 3
Problem 3
Given are 
points in the plane, no three of them belonging to a same line. Each of these points is colored using one of four given colors. Prove that there is a color and at least 
scalene triangles with vertices of that color.
Solution
See Also
| 2007 JBMO (Problems • Resources) | ||
| Preceded by Problem 2 |
Followed by Problem 4 | |
| 1 • 2 • 3 • 4 | ||
| All JBMO Problems and Solutions | ||
