2009 IMO Problems/Problem 4
Problem
Let be a triangle with . The angle bisectors of and meet the sides and at and , respectively. Let be the incenter of triangle . Suppose that . Find all possible values of .
Authors: Jan Vonk and Peter Vandendriessche, Belgium, and Hojoo Lee, South Korea
Solution
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See Also
2009 IMO (Problems) • Resources | ||
Preceded by Problem 3 |
1 • 2 • 3 • 4 • 5 • 6 | Followed by Problem 5 |
All IMO Problems and Solutions |