2001 IMO Problems/Problem 5

Revision as of 13:57, 2 November 2008 by 1=2 (talk | contribs)

Problem

$ABC$ is a triangle. $X$ lies on $BC$ and $AX$ bisects angle $A$. $Y$ lies on $CA$ and $BY$ bisects angle $B$. Angle $A$ is $60^{\circ}$. $AB + BX = AY + YB$. Find all possible values for angle $B$.

Solution

This problem needs a solution. If you have a solution for it, please help us out by adding it.

See also

2001 IMO (Problems) • Resources
Preceded by
Problem 4
1 2 3 4 5 6 Followed by
Problem 6
All IMO Problems and Solutions