[br][img width=201,height=424]https://lh7-us.googleusercontent.com/gLcohwvmvXb37GSjCFXIm_a6CJm59R-1VDekDPernDWR25w43O3IRHygUQCYE0C81mQpgLQCYaB-5uTY8kPB8q_n6cd6mUJldmElo9esqW6VeIHk9oA8F35nP0bBZcJ7X3KwpS4J5F9XhAK_68b5kQw[/img][br]Überprüfe deine Konstruktion: [math]\alpha\approx85°[/math] und e [math]\approx[/math] 5,3 cm