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- Start with two lines and an arc like these.
- Apply a Connect constraint (see Connect Constraint (Copy)2) at both ends of the arc so that it is tangent to, and trimmed to, both lines. If you want a filleted corner, this result does not have the desired arc tangency.
- The first option is Flip Arc, which changes the arc to its complement. Select this option . . .
- . . . and select the arc. The tangency along the vertical line is fixed, but is still incorrect along the horizontal line.
- The other option is Change Chirality, which changes the arc orientation. Select this option . . .
- . . . and select the arc.
- Then select the line whose tangency you want to keep - the vertical line.