Geometrymedium · Past Paper
In a cyclic quadrilateral ABCD, if angle A - angle C = 60 degrees, find angle A.
A60 degrees
B120 degrees
C150 degrees
D180 degrees
✓ Correct Answer: B — 120 degrees
A + C = 180 and A - C = 60. Adding both: 2A = 240 => A = 120 degrees.
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