32
30
36
34
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Answer:
your answer is 32
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Answer:
Here l1∥l2 and a transversal t cut both the lines.
We know that when two parallel lines are cut by any transversal, then the sum of two consecutive interior angles is 180∘.
Here 2x∘ and (3x+20)∘ are consecutive interior angles.
So, 2x∘+(3x+20)∘=180∘
⇒5x+20∘=180∘
⇒5x=180∘−20∘
⇒5x=160∘
⇒x=160∘5
⇒x=32∘
∴For x=32∘, l1 and l2 be parallel lines
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