Math, asked by adityakr1209, 1 month ago

please answer
fast by writing or step by step​

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Answered by ramkrishnanj10
1

Step-by-step explanation:

AB//CD

BD IS THE TRANSVERSAL

4y°+5y° = 90° ( co- interior angles are 90°)

9y° = 90°

y° = 10°

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