NCERT Class 9 Mathematics
LINEAR EQUATIONS IN TWO VARIABLES 73 From the graph, you can see that when the force applied is 3 units, the acceleration produc ...
74 MATHEMATICS Solution : (a) In Fig. 4.5 (i), the points on the line are (–1, –2), (0, 0), (1, 2). By inspection, y = 2x is the ...
LINEAR EQUATIONS IN TWO VARIABLES 75 If the work done by a body on application of a constant force is directly proportional to ...
76 MATHEMATICS x + 0.y – 2 = 0. This has infinitely many solutions. In fact, they are all of the form (2, r), where r is any rea ...
LINEAR EQUATIONS IN TWO VARIABLES 77 Similarly, you can obtain a line parallel to the x-axis corresponding to equations of the t ...
File Name : C:\Computer Station\Maths-IX\Chapter\Chap-5\Chap-5 (02–01–2006) PM65 CHAPTER 5 INTRODUCTION TO EUCLID’S GEOMETRY 5.1 ...
INTRODUCTION TO EUCLID’S GEOMETRY 79 File Name : C:\Computer Station\Maths-IX\Chapter\Chap-5\Chap-5 (02–01–2006) PM65 In the Ind ...
80 MATHEMATICS File Name : C:\Computer Station\Maths-IX\Chapter\Chap-5\Chap-5 (02–01–2006) PM65 called ‘Elements’. He divided th ...
INTRODUCTION TO EUCLID’S GEOMETRY 81 File Name : C:\Computer Station\Maths-IX\Chapter\Chap-5\Chap-5 (02–01–2006) PM65 some geome ...
82 MATHEMATICS File Name : C:\Computer Station\Maths-IX\Chapter\Chap-5\Chap-5 (02–01–2006) PM65 Now let us discuss Euclid’s five ...
INTRODUCTION TO EUCLID’S GEOMETRY 83 File Name : C:\Computer Station\Maths-IX\Chapter\Chap-5\Chap-5 (02–01–2006) PM65 For exampl ...
84 MATHEMATICS File Name : C:\Computer Station\Maths-IX\Chapter\Chap-5\Chap-5 (02–01–2006) PM65 Solution : In the figure given a ...
INTRODUCTION TO EUCLID’S GEOMETRY 85 File Name : C:\Computer Station\Maths-IX\Chapter\Chap-5\Chap-5 (02–01–2006) PM65 Theorem 5. ...
86 MATHEMATICS File Name : C:\Computer Station\Maths-IX\Chapter\Chap-5\Chap-5 (02–01–2006) PM65 If a point C lies between two p ...
INTRODUCTION TO EUCLID’S GEOMETRY 87 File Name : C:\Computer Station\Maths-IX\Chapter\Chap-5\Chap-5 (02–01–2006) PM65 Euclid did ...
88 MATHEMATICS File Name : C:\Computer Station\Maths-IX\Chapter\Chap-5\Chap-5 (02–01–2006) PM65 EXERCISE 5.2 How would you rewr ...
CHAPTER 6 LINES AND ANGLES 6.1 Introduction In Chapter 5, you have studied that a minimum of two points are required to draw a l ...
90 MATHEMATICS formed between the horizontal and the line of sight. Plenty of other examples can be given where lines and angles ...
LINES AND ANGLES 91 An acute angle measures between 0° and 90°, whereas a right angle is exactly equal to 90°. An angle greater ...
92 MATHEMATICS 6.3 Intersecting Lines and Non-intersecting Lines Draw two different lines PQ and RS on a paper. You will see tha ...
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