1.

In the given figure, two chords AB and CD of a circle intersect each other at a point E such that\[{{75}^{o}}\],\[{{105}^{o}}\]. Then find\[{{85}^{o}}\].

A.  \[{{60}^{o}}\]              
B.  \[\angle BAC={{45}^{o}}\]
C.  \[\angle BED={{120}^{o}}\]                                 
D.  \[\angle ABD\]                    
Answer» B.  \[\angle BAC={{45}^{o}}\]


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