I hope this helps you
TB=6,5+6,5=13
GB=10
in TBG right triangle use Pythagorean
TG^2=TB^2+GB^2
TG^2=13^2+10^2
TG^2=269
TG~16,4
in OBG right triangle
OG^2=OB^2+BG^2
OG^2=(6,5)^2+10^2
OG^2=142.25
OG~11,9
Blue wire=2.16,4=32,8
Red wire=2.11,9=23,8
32,8-23,8=9 m longer