# Class 9th maths science group Chapter 9 Exercise 9.3

## Class 9th maths science group Chapter 9 Exercise 9.3

Class 9th maths science group Chapter 9 Exercise 9.3
11/01/2017 12:01:46 pm - notes - 9th - Mathematics Science Group - administrator

This series of lecture is about class 9th maths book exercise 9.3. You will get the lectures and notes about all the exercises of maths 9th, 10th, 11th, 12th. These lectures are related to Punjab Textbook Board PTB, Federal Board, Rawalpindi Board and all other educational boards of Punjab.

Contact +923445939990 to get complete DVDs of Notes and Video lectures of 9th Mathematics Science Group at your doorstep.

This Lecture includes complete notes of Exercise 9.3 Introduction to Coordinate Geometry from class 9th maths (science group) Punjab Text Book Board. For FBISE, RWPBISE and all other boards like Lahore Board, Sargodha Board etc.

In this Lecture you will go through following Topics: 1. Mid-Point Formula i) Recognition of the Mid-Point ii) Verification of the Mid-Point Formula

Select a question from the list bellow to see the video of that Question directly (works best in Google Chrome Browser): 1. Find the mid-point of the line segment joining each of the following pairs of points 2. The end point P of a line segment PQ is (-3, 6) and its mid-point is (5, 8). Find the coordinates of the end point Q. 3. Prove that mid-point of the hypotenuse of right triangle is equidistant from its three vertices P(-2, 5), Q(1, 3) and R(-1, 0). 4. If O(0, 0), A(3, 0) and B(3, 5) are three points in the plane, find M_1 and M_2 as mid-points of the line segments AB and OB respectively. Find |M_1 M_2 |. 5. Show that the diagonals of the parallelogram having vertices A(1, 2), B(4, 2), C(-1, -3) and D(-4, -3) bisect each other. 6. The vertices of a triangle are P(4, 6), Q (-2, -4) and R(-8, 2). Show that the length of the line segment joining the mid-points of the line segments PR, QR is 1/2 PQ.