Assertion: circle's radius | /r/HasProperty | a line segment
Facets:
Source sentences:
text: Radius: a line segment joining the centre of a circle with any single point on the circle itself; or the length of such a segment, which is half (the length of) a diameter.
text: The radius of a circle is any of the line segments from its center to its perimeter.
text: A radius is a line segment with one endpoint at the center of the circle and the other endpoint on the circle.