I want to draw a circle that is tangent to three lines, or a circle tangent to two lines with a given radius. In AutoCAD, the job is pretty easy. But in SketchUp, a circle is made by segments, thus made it very hard to figure out tangent points.

Could someone please kindly advise if there is kinda script out there that can do this job?

I did a search but no luck.

Thank you.