The Incenter/Excenter lemma (Crushing Incenter Olympiad problems)
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#IMO #Geometry #AngleChasing #MathOlympiad
In this video we move on to our next center and discuss the incenter/excenter lemma!.
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I upload videos concerning math Olympiad contests to help students preparing for math Olympiad and all people who share the love for some interesting math problems.
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