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Circles : Class 9 IX Maths CBSE
This is the Presentation is of Class 9 Maths Circle. Topics covered in this are as follows:
Circle and Related Terms- Geometrical definition, Position of a point, Circular Region, Secant and Tangent, Radius, Circumference, Chord and Diameter, Concentric circles, Arc of a circle, Semicircle, Minor and major Arc, Segment of a circle, Sector and Quadrant of a circle, Congruent circles and arcs, Properties of Chords- Theorem 1, Theorem 2, Theorem 3, Theorem 4, Results on Equal Chords- Theorem 5, Theorem 6, Angles Subtended by Arcs- Theorem 7, Theorem 8, Cyclic Quadrilateral and its Properties- Cyclic Quadrilateral, Theorem 10, Theorem 11.
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