Different Results No Radius vs Subtract radius distance dimension

Hello everyone, not easy to explain this one. I have not had to do this in a long time and I am searching for the right answer.

I was tasked with measuring the relationship between 2 punches (Hole and Polygon) and the matching retainer but the distance between is different when I use No Radius VS Subtract radius. Obviously the numbers will be different because of the radius not being used but when I take the total distance from the Retainer and Subtract the total distance I get from the punches the numbers are different.

For example using No Radius I get 13.07 - 12.732 (0.338mm) and for subtract radius I get 7.307 - 6.666 (0.641mm) between CIR1 & LIN2
& No Radius 13.128 - 12.709 (0.419mm) and for subtract radius I get 7.355 - 6.603(0.752mm) between CIR2 & LIN3

Can someone explain why this is? Should I be using No radius or Subtract Radius to find the relationship between the two features?

I dimensioned 2D distance in the same direction as Lin1 for both. I am not the best at explaining things, forgive me