1998 IMO Problems/Problem 5
Problem
Let 
be the incenter of triangle 
. Let the incircle of touch the sides 
, 
, and 
at 
, 
, and 
, respectively. The line through 
parallel to 
meets the lines 
and 
at 
and 
, respectively. Prove that angle 
is acute.
Solution
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See Also
| 1998 IMO (Problems) • Resources | ||
| Preceded by Problem 4 |
1 • 2 • 3 • 4 • 5 • 6 | Followed by Problem 6 |
| All IMO Problems and Solutions | ||
