I do not have superior intelligence or faultless looks. I do not captivate a room or run a mile under six minutes. I only succeeded because I was still working after everyone else went to sleep. – **Greg Evans**

# Lecture - 2 Chapter 7 Coordinate Geometry

00:00:20 Basic differences between Square, Rhombus, Rectangle and Parallelogram

00:02:35 NCERT Exercise 7.1 Questions 6 Name the type of quadrilateral formed, if any, by the following points, and give reasons for your answer: (i) (– 1, – 2), (1, 0), (– 1, 2), (– 3, 0) (ii) (–3, 5), (3, 1), (0, 3), (–1, – 4) (iii) (4, 5), (7, 6), (4, 3), (1, 2)

00:15:45 NCERT Exercise 7.1 Questions 7 Find the point on the x-axis which is equidistant from (2, –5) and (–2, 9).

00:21:35 NCERT Exercise 7.1 Questions 8 Find the values of y for which the distance between the points P(2, – 3) and Q(10, y) is 10 units.

00:27:36 NCERT Exercise 7.1 Questions 9 If Q(0, 1) is equidistant from P(5, –3) and R(x, 6), find the values of x. Also find the distances QR and PR.

00:32:35 NCERT Exercise 7.1 Questions 10 Find a relation between x and y such that the point (x, y) is equidistant from the point (3, 6) and (– 3, 4).