AC is the diameter of the circumcircle of the cyclic quadrilateral ABCD. If. \[\angle \mathbf{BDC}=\mathbf{4}{{\mathbf{8}}^{{}^\circ }}\]then \[\angle \mathbf{ACB}\] is equal to

AC is the diameter of the circumcircle of the cyclic quadrilateral ABC

1.	AC is the diameter of the circumcircle of the cyclic quadrilateral ABCD. If. \[\angle \mathbf{BDC}=\mathbf{4}{{\mathbf{8}}^{{}^\circ }}\]then \[\angle \mathbf{ACB}\] is equal to
A.	\[{{42}^{{}^\circ }}\]
B.	\[{{45}^{{}^\circ }}\]
C.	\[{{48}^{{}^\circ }}\]
D.	\[{{58}^{{}^\circ }}\]
Answer» B. \[{{45}^{{}^\circ }}\]

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AC is the diameter of the circumcircle of the cyclic quadrilateral ABCD. If. \[\angle \mathbf{BDC}=\mathbf{4}{{\mathbf{8}}^{{}^\circ }}\]then \[\angle \mathbf{ACB}\] is equal to

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