Question

FIND VALUE OF X AND Y THEN SHOWNTHAT AB||CD
STEP BY STEP KARO IF ANSWER RIGHT
I WILL MARK BRAINELIST OKK​

Answer 1

Answer:

Here, ∠x+50°

=180 °

--- straight line

∠x=180 °

−50 °

∠x=130°

And ∠y=130 °

--- vertically opposite angles

Thus, ∠x=∠y=130°

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

Thus, AB∥CD

Answer 2

Answer:

Here,

x + 60 = 180 [ linear pair ]

x = 180 - 60

{ x = 120 }

z = y [ vertically opposite angles ]

{ y = 120 }

Now,

By the converse of alternate angle theorem

AB II CD

hope it helps you

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