diff -r 8006fb8cdb77 -r 9bb00170780b geometry.py
--- a/geometry.py	Mon Jan 22 18:07:19 2018 +0200
+++ b/geometry.py	Mon Jan 22 18:23:19 2018 +0200
@@ -1,6 +1,6 @@
 def degree_rep(angle):
     from math import degrees
-    return '∠ %.2f°' % degrees(angle)
+    return '%.2f°' % degrees(angle)
 
 def position_vector(vertex):
     assert isinstance(vertex, Vertex)