If O is the centre of the circle, find the value of x in given figure:
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Answer:
x=230°
Step-by-step explanation:
CBD+CBA=180°। (Linear pair)
65° +CBA=180°
CBA=115°
CBA+AEC=180
115+AEC=180
AEC=65
ACO=2AEC
ACO=130
x=360–ACO
x=360-130
=230
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