ABCD is a cyclic quadrilateral and O is the centre of the circle. If – McqOptions

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1.	ABCD is a cyclic quadrilateral and O is the centre of the circle. If COD = 140 and BAC = 40 , then the value of BCD is equal to
A.	70
B.	90
C.	60
D.	80
Answer» B. 90

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