Find the size of coloured angle.

SumairaRounaq

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Sep 9, 2016
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Please help me figure out the size of the coloured angle.
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Please help me figure out the size of the coloured angle.
This question is truly flawed. The angle \(\displaystyle 45^o\) cannot exist.
It could be \(\displaystyle 145^o\) but not as now labeled.
 
Probably means angle AOB = 45
If that were true then that makes the question completely trivial.
The major arc \(\displaystyle \text{arc}(AC)=230^o)\) or \(\displaystyle \angle(ABC)=115^o\)
 
If that were true then that makes the question completely trivial.
The major arc \(\displaystyle \text{arc}(AC)=230^o)\) or \(\displaystyle \angle(ABC)=115^o\)


How did you add 45 and 85 while it does not make any sense to me. Could you please explain?
 
What are your thoughts?

Please share your work with us ...even if you know it is wrong

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Actually, I am having a problem with the angle 45 as it does not make any sense related to the answer and this is why I posted this question here.
 
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