Difference between revisions of "1981 USAMO Problems/Problem 3"
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Revision as of 11:08, 5 October 2012
Problem
Show that for any triangle, 
.
When does the equality hold?
Solution
This problem needs a solution. If you have a solution for it, please help us out by adding it.
See Also
| 1981 USAMO (Problems • Resources) | ||
| Preceded by Problem 2 |
Followed by Problem 4 | |
| 1 • 2 • 3 • 4 • 5 | ||
| All USAMO Problems and Solutions | ||
