Assertion: circle's diameter | /r/HasProperty | radius
Facets:
Source sentences:
text: Circumference (C in black) of a circle with diameter (D in cyan), radius (R in red), and centre (O in magenta).
text: Also note that the Diameter is twice the Radius:
text: (C in black) of a circle with diameter (D in cyan), radius (R in red), and centre (O in magenta).