Your inaccuracy by category:
Parallelogram 15.3 8.9 7.0
Midpoint 11.4 1.0 7.6
Bisect angle 5.2 0.8 1.1
Triangle center 24.8 24.9 4.1
Circle center 7.3 2.2 2.2
Right angle 0.8 2.1 0.7
Convergence 5.0 6.0 5.0


Average error: 6.83 (lower is better)