arctangent ?!
From:
Frenchy Pilou (PILOU)
5 Jan 2016 (2 of 7)
7802.2
In reply to
7802.1
Maybe because blue arc is not a perfect arc! ;)
When you draw a circle by 3 points by 2 extremities & somewhere of the blue arc
make a big zoom
you have not perfect fitting!
That is not the case withe red one! ;
EDITED: 5 Jan 2016 by PILOU