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Chapter 6 Lines and Angles | Class 9 NCERT CBSE Mathematics Solution | NCERT Maths Textbook Exercise 6.2

Class IX NCERT CBSE Mathematics SolutionsLines and AnglesNCERT Mathematics Textbook Exercise 6.1 Solved(Page 103)Q1: In the given figure, find the values of x and y and then show that AB || CD.Ans:In the above figure,50º + x = 180º (Linear pair)x = 130º … (1)Also, y = 130º (Vertically opposite angles)As x and y are alternate interior angles for lines AB and CD and also measures of these angles
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