ABCD is a cyclic quadrilateral and O is the centre of the circle. If \[\angle \mathbf{COD}=\mathbf{12}{{\mathbf{0}}^{{}^\circ }}\]and \[\angle \mathbf{BAC}=\mathbf{6}{{\mathbf{0}}^{{}^\circ }}\], then the value of \[\angle \mathbf{BCD}\] is equal to

ABCD is a cyclic quadrilateral and O is the centre of the circle. If \

1.	ABCD is a cyclic quadrilateral and O is the centre of the circle. If \[\angle \mathbf{COD}=\mathbf{12}{{\mathbf{0}}^{{}^\circ }}\]and \[\angle \mathbf{BAC}=\mathbf{6}{{\mathbf{0}}^{{}^\circ }}\], then the value of \[\angle \mathbf{BCD}\] is equal to
A.	\[{{70}^{{}^\circ }}\]
B.	\[{{90}^{{}^\circ }}\]
C.	\[{{60}^{{}^\circ }}\]
D.	\[{{80}^{{}^\circ }}\]
Answer» D. \[{{80}^{{}^\circ }}\]

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ABCD is a cyclic quadrilateral and O is the centre of the circle. If \[\angle \mathbf{COD}=\mathbf{12}{{\mathbf{0}}^{{}^\circ }}\]and \[\angle \mathbf{BAC}=\mathbf{6}{{\mathbf{0}}^{{}^\circ }}\], then the value of \[\angle \mathbf{BCD}\] is equal to

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