Welcome to today's class. Lines and Angles - Lesson 3 Learning outcomes : identify the given pair of lines as parallel or intersecting identify a transversal generalize the relationship between the angles formed by a pair of parallel lines Intersecting Lines : When two or more lines cross each other in a plane, they are called intersecting lines. Point of intersection. The intersecting lines share a common point, which exists on all the intersecting lines, and is called the point of intersection. Here, lines P and Q intersect at point O, which is the point of intersection. (a)Are all perpendicular lines intersecting lines ? Yes (b)Are all intersecting lines perpendicular ? No Do Try These - Page 104 Transversal A transversal is a line that passes through two lines in the same plane at two distinct points. Do Try These Page 105 How many transversals can you draw to two given lines? The answer is infinite number of transversals. The transver
Assignment Rational Number 1. Which of the following pairs of rational numbers are equal? (i) -15/35 and -8/12 (ii) -24/15 and 8/-5 2. Which of the two rational number is greater in each of the following pairs? (i) -7/5, -5/3 (ii) -4/9, 5/-12 3. Arrange the rational numbers -7/10, 3/-5 and -5/6 in ascending order. 4. Arrange the rational numbers -3/10, -11/20, -7/15 in descending order. 5. Compare the following rational numbers and put < ,>, = between them. (i) -4/5 and -5/7 (ii) -8/5 and -7/4 Try These 1. Rohan walks 5/6 km from a point P towards east and then from there 11/8 km towards west. Where will be he now from P? 2. What number should be added to -7/12 to get 5/9? Happy Vacation!!!!
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