1966 IMO Problems/Problem 2

Let $A$, $B$, and $C$ be the lengths of the sides of a triangle, and $\alpha,\beta,\gamma$ respectively, the angles opposite these sides.


Prove that if the triangle is isosceles.


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See Also

1966 IMO (Problems) • Resources
Preceded by
Problem 1
1 2 3 4 5 6 Followed by
Problem 3
All IMO Problems and Solutions
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