Class-9

Ch-6, Th- Angle sum Property of a triangle

Ex-6.2 (Video-1)

Ex-6.2 ( Video-2)

Ex-6.3(Video-1)

Ex-6.3 (Video-2)

Ch-7. Triangles ( Introduction)

Criteria for Congruence of triangles

Ex-7.1 (video-1).

Ex-7.1video-2)

Ex-7.2 ( Part-1)

Ex-7.2(part-2)

Ex-7.3 (Video-1)

Ex-7.3, (Video-2)

Ex-7.3( Video-3)

Ch-8.Quadrilaterals (Introduction)-part-1

Properties of Quadrilaterals, part-2

Ex-8.1( Video-1)

Ex-8.1 ( Video -2)

Ex-8.1, Q11 & Q12, dated-20/08/20

Ex-8.1 (Video-3)-dated-21/08/20

Mid point theorem-dated-21/08/20

Ex-8.2, (Video-1), dated-22/08/20

Ex-8.2, Q2, dated-24/08/20

Ex-10.1 & 10.2, dated-27/08/20

 Th-10.3 & Th-10.4, Ex-10.3, dated-28/08/20

Circle through three points- dated-29/08/20

Theorem-10.6 & 10.7, dated-29/08/20

Ex-10.4, dated-03/09/20

Theorem-10.8 & 10.9, dated-04/09/20

Ex-10.5, Q1 to Q5, Q9 & Q10 , dated-10/09/20

Ex-10.5, Q6 to Q8, dated-10/09/20

Ex-10.5, Q11 & Q12, dated-10/09/20

Ch-11, Ex-11.1, dated-11/09/20