Interoperable interactive geometry for Europe
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circle_by_center_and_point(c,P,Q) states that c is the circle whose center is point P and that passes through point Q.

Formal properties

circle_by_center_and_point(C,P,Q) and R in C => distance(P,R)=distance(P,Q)


  1. intersection of circles and line example: source JSXGraph
  2. other intersections of circles and line example: source JSXGraph
  3. tangents to circle example: source JSXGraph