Question

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Answer 1

Answer:

130+50 =180

this correct answer

Answer 2

Answer:

Step-by-step explanation:

since AB // CD

Their angles lying on the same line should be 180°

so, 50°+y = 180°

  ⇒y = 180°-50°

  ⇒y = 130°

Also, x = 130° [∵exterior angles are equal]

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