circle radius / rotating at 10 degrees ?

[Seagull]

Not a blend but if this is what you want, shouldn't be too difficult. Go into page options, under general change the angle restraint to 10 degrees and just drag your line while holding the control key, right clicking at every 10 degree stop.

This is in a windows version but hopefully it will be the same with linux.......frank

Oh yeah, when I finished I just cloned the circle, selected all and intersected