Question: in fig abcd is a cyclic quadrilateral?
Answer: In the given figure, ABCD is a cyclic quadrilateral, in which AC and BD are its diagonals. ... In the given figure, ABCD is a cyclic quadrilateral, in which AC and BD are its diagonals. If ∠DBC = 60° and ∠BAC = 30°, then find ∠BCD.