Question

In the given figure, C is centre of circle. angle BAD = 120°, Find the value of x.



120°

30°

80°

50°

​

Answer 1

Answer:

Here, ∠AOC + ∠COB = 180°

∠AOC = 180° - ∠COB

= 180° - 120° = 60°

Now, x = 1/2 ∠AOC = 1/2 × 60° = 30°

x=30⁰

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