Circle

This topic covers concepts, such as Circle, Equation of Circle, Equation of Circle in General Form, Equation of Circle in Center-Radius Form, Equation of Circle in Diameter Form, Equation of Circle Touching x-axis, 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, and Shortest Distance of a Point from a Circle.

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, Chord of a Circle, Length of the Chord of a Circle, Image of a Circle in a Line Mirror, 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, Parametric Form of a Tangent to a Circle, Equation of Tangent in Slope Form to a Circle, etc.

This topic covers concepts, such as Pair of Tangents from a Point to a Circle, Equations of Tangents from an External Point to a Circle, Length of Tangent to a Circle, Angle Subtended by a Circle at a Point, Chord of Contact to a Circle, etc.

This topic covers concepts, such as Interaction between Two Circles, Relative Positions of Two Circles, Relative Position of Two Circles by Making a Quadratic Equation, Two Circles Lies Outside Each Other, Circles Touches Each Other Externally, 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 Points of intersection of Two Circles, Family of Concentric Circles, etc.