Question

answer me this question and I will be really thankful to you guys​

Answer 1

Step-by-step explanation:

Here, ∠x+50

0

=180

0

--- straight line

∠x=180

0

−50

0

∠x=130

0

And ∠y=130

0

--- vertically opposite angles

Thus, ∠x=∠y=130

0

Using Theorem: If two lines are cut by a transversal and the alternate interior angles are congruent, the lines are parallel.

Thus, AB∥CD

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