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Class 9th maths science group Chapter 9 Exercise 9.2

Class 9th maths science group Chapter 9 Exercise 9.2

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    Class 9th maths science group Chapter 9 Exercise 9.2
    11/01/2017 11:59:35 am - notes - 9th - Mathematics Science Group - administrator

    This series of lecture is about class 9th maths book exercise 9.2. 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.

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    This Lecture includes complete notes of Exercise 9.2 from Introduction to Coordinate Geometry 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. Collinear Points i) Collinear or Non-collinear Points in the Plane ii) Use of Distance Formula to show the Collinearity of Three or more points in the Plane iii) Use of Distance Formula to Different Shapes of a Triangle a) Equilateral Triangle b) An Isosceles Triangle c) Right Angle Triangle d) Scalene Triangle iv) Use of distance formula to show that four non-collinear points from a a) square b) Rectangle c) Parallelogram

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    Select a question from the list bellow to see the video of that Question directly (works best in Google Chrome Browser): 1. Show whether the points with vertices (5, -2), (5, 4) and (-4, 1) are vertices of an equilateral triangle or an isosceles triangle? 2. Show whether or not the points with vertices (-1, 1), (5, 4), (2, -2), (-4, 1) form a square? 3. Show whether or not the points with coordinates (1, 3), (4, 2) and (-2, 6) are vertices of a right triangle? 4. Use the distance formula to prove whether or not points (1, 1), (-2, -8) and (4, 10) lie on a straight line? 5. Find k, given that the point (2, k) is equidistant from (3, 7) and (9,1). 6. Use distance formula to verify that the points A(0, 7), B(3, -5), C(-2, 15) are collinear. 7. Verify whether or not the points O(0, 0), A(`sqrt(3)`, 1), B (`sqrt(3)`, -1) are the vertices of an equilateral triangle. 8. Show that the points A(-6, -5), B(5, -5), C(5, -8) and D(-6, -8) are vertices of a rectangle. Find the lengths of its diagonals. Are they equal? 9. Show that the points M(-1, 4), N(-5, 3), P(1, -3) and Q(5, -2) are the vertices of a parallelogram. 10. Find the length of the diameter of the circle having centre at C(-3, 6) and passing through P(1, 3).
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