Three consecutive angles of a cycle quadrilateral are in the ratio of – McqOptions

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1.	Three consecutive angles of a cycle quadrilateral are in the ratio of 1 : 4 : 5 . The measure of fourth angle is
A.	120Â°
B.	60Â°
C.	30Â°
D.	80Â°
Answer» C. 30Â°

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