PDF chapter test TRY NOW

In \(∆ ABC\), the bisector \(AD\) of \(∠ A\) is perpendicular to side BC.
 
Show that \(AB = AC\) and \(∆ABC\) is isosceles.
 
26.png
 
Max file size: 5 MB
 
Important!
This is a creative exercise. Your teacher will check it manually.