Ex:6.2 question 1, 2 of ch 6 triangle class 10

In this video i discussed questions 1, 2 of ex: 6.2 of ch 6. In these two questions Direct and converse part of BPT is being used. Question 2 (iii) is done with 2nd method also in which similarity is being used.
It's 6.17 (i) but by mistake i spoke 6.71. Kindly ignore