Assertion: ellipse's foci | /r/HasProperty | equidistant
Facets:
value: from the center of the ellipse
type: LOCATION
Source sentences:
text: The foci are two fixed points equidistant from the center of the ellipse.
text: Center: Since the foci are equidistant from the center of the ellipse the center can be determine by finding the midpoint of the foci.