Difference between revisions of "2001 IMO Shortlist Problems/G2"
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== Solution == | == Solution == | ||
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| + | See 2001 IMO 1 page. | ||
== Resources == | == Resources == | ||
Revision as of 13:27, 28 January 2022
Problem
Consider an acute-angled triangle 
. Let 
be the foot of the altitude of triangle issuing from the vertex 
, and let 
be the circumcenter of triangle . Assume that 
. Prove that 
.
Solution
This problem needs a solution. If you have a solution for it, please help us out by adding it. See 2001 IMO 1 page.
