Πώς μπορώ να δείξω ότι κάθε τρίγωνο , στο οποίο μία γωνία του ισούται με το άθροισμα των άλλων δύο, χωρίζεται σε δύο ισοσκελή τρίγωνα ;
Ξέρω ότι σε κάθε τρίγωνο ισχύει :
, 
, στην άσκηση μας έστω ότι 
Από τις
. Προκύπτει δηλαδή ότι 
. Μετά όμως πώς συνεχίζω ;;;Ευχαριστώ πολύ
, τότε 
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δηλαδή:![\begin{tikzpicture}[line cap=round,line join=round,>=triangle 45,x=1.0cm,y=1.0cm]
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