Difference between revisions of "2003 IMO Problems/Problem 4"
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Revision as of 00:44, 19 November 2023
Problem
Let 
be a cyclic quadrilateral. Let 
, 
, and 
be the feet of perpendiculars from 
to lines 
, 
, and 
, respectively. Show that 
if and only if the bisectors of angles 
and 
meet on segment 
.
Solution
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See Also
| 2003 IMO (Problems) • Resources | ||
| Preceded by Problem 3 |
1 • 2 • 3 • 4 • 5 • 6 | Followed by Problem 5 |
| All IMO Problems and Solutions | ||
