Question

find x and y write the reasons also....​

Answer 1

Answer:

y-80°

y-100°

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Answer 2

Answer:

b'

Given information: O is the center of the circle.

According to the central angle theorem, the angle subtended by an arc is always half of its central angle.

Let the Central angle of arc AB is 70∘.

∠ACB and ∠ADB are subtended by the arc AB.

∠ACB=∠ADB=270∘=35∘

∴x=y=35