Question

want step by step solution. find the value of x​

Answer 1

Here,

1. ∠BCA = 90° (angle subtended by a semi circle)
2. ∠OBC = ∠OCB = 35°

[Radius made the triangle OBC, Isosceles.]

We observed,

∠OCB + x° = 90°

⟹ x° + 35° = 90°

⟹ x° = 90° - 35°

⟹ x° = 55° (D).