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In the figure below, O is the centre of the circle and OAC = 38o. Find

      

In the figure below, O is the centre of the circle and OAC = 38o. Find mathematics6920171222.jpg

  

Answers


John
AOC = 180o - (38o + 38o)

= 180o - 76o = 104o

AOC reflex is twice ABC

360 - 104o = 256

ABC = $\frac{256}{2}$ = 128o
johnmulu answered the question on June 9, 2017 at 09:43


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