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Step-by-step explanation:
In triangle AOB,
Angle OBA = 130°/2 ( Since OB bisects angle ABC and AB = BC)
= 65°
Now, OA = OB ( radii of the circle )
So, Angle OAB = Angle OBA = 65°
And, Angle OAB + Angle OBA + Angle AOB = 180° ( A.S.P of a triangle)
=> 65° + 65° + Angle AOB = 180°
=> 130° + Angle AOB = 180°
Therefore, Angle = 180° - 130°
= 50°
Now, Since Angle AOB = Angle CEO = 50° ( Corresponding Angles)
Therefore, BO || CE
Hope it helps
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