circles 9th class topics with video links

1.Degree MEASURE theorm

https://youtu.be/yqFzE4kT8wo

2.Angles in same segment are equal

https://youtu.be/yqFzE4kT8wo

3.Prove that opposite angles of cyclic quadrilateral are supplementary

https://youtu.be/yqFzE4kT8wo

4.10.5 exercise

11 and 12 sum

https://youtu.be/yqFzE4kT8wo

8 to 10 sums

https://youtu.be/yqFzE4kT8wo

1 to 7 sums

https://youtu.be/yqFzE4kT8wo

5.Circles 

all examples

https://youtu.be/-9WmlBTGY1E

6.Circles

 optional exercise 1 to 6 sums

https://youtu.be/WzCC7iaNE74

7.circles

10.4 exercise all sums

https://youtu.be/bHwmDObNt_E

8.Circles

10.3 exercise all sums and theorems

https://youtu.be/HP_we1edwkU

9.circle

Example 2

https://youtu.be/Df1ka7KnLww

11.cicles 

Optional exercise 

8th sum

https://youtu.be/WntNal39TzA

12.circles optional exercise 

1 to 6 sums

https://youtu.be/WzCC7iaNE74

13.equal chords of circle are equidistant form centre

https://youtu.be/LV5d7ullOVA