Circle

This topic covers concepts, such as, Equation of Circle in Center-radius Form, Equation of Circle in General Form, Equation of Circum-circle of a Triangle with Given Sides & Equation of Circum-circle of a Quadrilateral with Given Sides etc.

This topic covers concepts, such as, 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, Chord of a Circle & Length of the Chord of a Circle etc.

This topic covers concepts, such as, Condition For Tangency to a Circle, Length of Tangent to a Circle, Tangents from an External Point to a Circle & Number of Tangents from a Point to a Circle etc.

This topic covers concepts, such as, Normal to a Circle & Parametric Form of Normal 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 etc.

This topic covers concepts, such as, Chord of Contact to a Circle & Length of Chord of Contact etc.

This topic covers concepts, such as, Equation of Chord with Given Midpoint etc.

This topic covers concepts, such as, Pole and Polar with Respect to a Circle, Equation of the Polar of a Point with Respect to a Circle, Pole of a Given Polar with Respect to a Circle & Properties of Pole and Polar with Respect to a Circle etc.

This topic covers concepts, such as, Interaction between Two Circles, Relative Positions of Two Circles, Radical Centre of Three Circles & Centre of Similitude of Circle etc.

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 Concentric Circles & Coaxial System of Circles etc.