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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