O is the circumcentre of the triangle ABC and BAC = 85 , BCA = 75 , – McqOptions

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1.	O is the circumcentre of the triangle ABC and BAC = 85 , BCA = 75 , then the value of OAC is
A.	55
B.	150
C.
D.	20
E.	70
Answer» E. 70

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