Theorems

Class 9 Chapter 10 Circles Theorem 10.11 : The sum of either pair of opposite angles of a cyclic quadrilateral […]

Class 9 Chapter 10 Circles Theorem 10.10 : If a line segment joining two points subtends equal angles at two

Class 9 Chapter 10 Circles Theorem 10.9 : Angles in the same segment of a circle are equal. Class 9

Class 9 Chapter 10 Circles Theorem 10.8: The angle subtended by an arc at the centre is double the angle

Class 9 Chapter 10 Circles Theorem 10.7 : Chords equidistant from the centre of a circle are equal in length.

Class 9 Chapter 10 Circles Theorem 10.6 : Equal chords of a circle (or of congruent circles) are equidistant from

Class 9 Chapter 10 Theorem 10.5 : There is one and only one circle passing through three given non-collinear points.

Class 9 Chapter 10 Theorem 10.4 : The line drawn through the centre of a circle to bisect a chord

Class 9 Chapter 10 Theorem 10.3 : The perpendicular from the centre of a circle to a chord bisects the

Class 9 Chapter 10 Theorem 10.2 : If the angles subtended by the chords of a circle at the centre