Question

in the given figure o is centre of the circle if angle boc=120, then find the value of X
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Answer 1

Answer:

X = 30

Step-by-step explanation:

• ∠AOC + ∠COB = 180° 

∠AOC = 180°–∠COB  

=  180° -  120°

= 60°

• x = 1/2 

∠AOC = 1/2  × 60°

= 30°