I'm trying to draw a file for a plate that will sit on a piece of 6inch tubing at an angle. I can't quite get the radius right. I've tried
R=(.5mM)÷square root of (m squared + M sqaured) m=minor diameter M=major diameter
And I've tried R=(H÷2)+(W squared ÷ 8H)
H= height of arc W=width of arc...