Assertion: apollonius circle | /r/HasProperty | the locus of points x such
Facets:
Source sentences:
text: The Apollonius circle, the locus of points X such that the ratio of distances of X to two foci P 1 and P 2 is a fixed constant r, is another special case, with w 1 = 1, w 2 = −r2, and C = 0.