Circles

This topic covers concepts such as Angle Subtended by a Chord at a Point on the Circle, Angle Subtended by a Chord at the Centre of the Circle, Perpendicular from the Centre to a Chord, and Equal Chords and their Distances from the Centre.

This topic covers concepts such as Cyclic Quadrilateral, Properties of Cyclic Quadrilateral, Theorem on Cyclic Quadrilateral, Corollary on Theorem on Cyclic Quadrilateral, and Converse of Theorem on Cyclic Quadrilateral.