Surface Areas and Volumes Session - 1 ( Ex - 13.1 Q 1,2,5,6,8 )Session - 2 ( Ex - 13.1 Q 3,4,7 )Session - 3 ( Ex - 13.2 )Session - 4Session - 5 ( Ex 13.3 )Session - 6 Session - 7 ( Ex - 13.5 )Session - 8 ( Ex - 13.6 )Session - 9 ( Ex- 13.7 )Session - 10 ( Ex - 13.8 )