GOOD MORNING BOYS! Today by the end of the blog, you will be able to: (i) Relate the angles as LINEAR PAIRS AND VERTICALLY OPPOSITE ANGLES. RELATED ANGLES: Linear pair: A linear pair is a pair of adjacent angles whose non-common sides are opposite rays. In the figure, pair of linear pairs are: ∠1 and ∠5 ∠2, ∠3 and ∠4 THE SUM OF LINEAR PAIRS = 180° Vertically Opposite Angles: W hen two lines intersect, the vertically opposite angles so formed are equal. IN THE FIGURE ON THE LEFT, THE BLUE ANGLES ARE EQUAL. EXERCISE 5.1 EXAMPLE 1: Find the angle x when two of the angles is given. Question 11: Think of the reason yourself. Question 12: Part (ii) is done for you. [Try part (i) yourself.] HOMEWORK: 1. Complete the Ex 5.1 given the blog. 2. Do Question 13 and 14 Ex 5.1 THIS IS ALL FOR TODAY!! ...
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