The tool for measuring an angle between two lines in degrees is accessible from the button (7) and selecting angle from the list. The measurement is done manually. Two points are marked with the mouse. These points create the first side of the angle. The vertex of the angle is at the second point. A third point is drawn towards it, which forms the second side of the angle. The value in degrees appears next to the vertex. It is possible to move any of the points that form the angle. The measurement result is recalculated in real time.
