Question

(c) Find the value of x and y in the given figure.
х
50
у 120​

Answer 1

Answer:

x+50

∘

=180

∘

(Linear pair)

⇒x=130

∘

Also, y=130

∘

(Vertically opposite)

Now, x=y=130

∘

(Alternate interior angles)

Alternate interior angles are equal.

∴AB∥CD.