question_answer

ABCD is a cyclic quadrilateral in which\[\angle DBC={{55}^{o}}\] and \[\angle BAC={{55}^{o}}.\]Find \[\angle BCD.\]

A) \[60{}^\circ \]                           

B) \[80{}^\circ \]      

C) \[100{}^\circ \]           

D) \[120{}^\circ \]