In the given figure, AB || DE. ∠A = 430 and ∠BDE = 570. The value of ∠x is ________.
A
57∘
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B
34∘
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C
75∘
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D
43∘
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Solution
The correct option is A 57∘
It is given that AB || DE.
Then, BD is the transversal.
We know, alternate interior angles are equal.
Therefore, ∠ABD = ∠x = 57∘ (alternate interior angles)