Assertion: speed skate's blade | /r/CapableOf | form an arc of a circle
Facets:
value: with a radius of 180–220 centimetres
type: OTHER
Source sentences:
text: When viewed from the side, the blade of a figure skate is not flat, but curved slightly, forming an arc of a circle with a radius of 180–220 centimetres (71–87 inches).