Question 95
Be $ABC$ A pointed triangle with height intersection $H$. a straight through $H$ cutting edge $AB$ respectively $AC$ in the points $D$ respectively $E$so that $|AD| = |AE|$ applies. The angular bisector of $\angle BAC$ Cut the perimeter of $ADE$ in point $K \neq A$. show that $HK$ the route $BC$ halved.