I’m in class 9 and learning about lines and angles in ncert math chapter 6. Exercise 6.2 includes some questions for me that I need help with. Would you kindly send me a video solution to this exercise?
NCERT Class 9 mathematics chapter 6
Page No. 103
Exercise 6.2
Question No. 1
50° + x = 180° [∵ Linear Pair]
⇒ x = 180° – 50° = 130° and
y = 130° [∵ Vertically Opposite Angles]
Hence, x = y = 130°
Since, alternate angles are equal. Hence, AB||CD.