This video lecture from Geometry (F.Sc.second year Mathematics) covers: Question number 8 and 9 of exercise 4.4. In question 8 we check whether three given lines are concurrent and also find their point of intersection. In question 9 we have to find the coordinates of the three vertices and angles between sides of the triangle formed by three given lines. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.