Circle

This topic covers concepts such as Circle, Equation of Circle, Equation of Circle in General Form, Equation of Circle in Parametric Form, Equation of Circle Passing through Three Points, Equation of Circle in Center-Radius Form, etc.

This topic covers concepts such as Interaction between Point and a Circle, Position of a Point with Respect To a Circle, Distance of a Point from a Circle, Greatest Distance of a Point from a Circle, Shortest Distance of a Point from a Circle, etc.

This topic covers concepts such as Interaction between Line and a Circle, Position of a Line with respect to a Circle, Condition For Tangency to a Circle, Image of a Circle in a Line Mirror, Chord of a Circle, Length of the Chord of a Circle, etc.

This topic covers concepts such as Tangent to a Circle, Equation of Tangent to a Circle, Equation of Tangent at a Point on the Circle, Equation of Tangent in Slope Form to a Circle, Point of Contact of a Tangent, Parallel Tangents to a Circle, etc.

This topic covers concepts such as Equation of Chord with Given Midpoint, Chord of Contact to a Circle, Equation of Chord of Contact, Length of Chord of Contact, Area of the Triangle Formed by Pair of Tangents and Its Chord of Contact, etc.

This topic covers concepts such as Interaction between Two Circles, Relative Positions of Two Circles, Two Circles Lies Outside Each Other, Circles Touches Each Other Externally, Angle of Intersection of Two Circles, Common Chord of Two Circles, etc.

This topic covers concepts such as Coaxial System of Circles and Limiting Points.

This topic covers concepts such as Family of Circles, Family of Circles Passing through Points of intersection of a Line and a Circle, Family of Circles Passing through Two Given Points, Family of Concentric Circles, etc.