1. Find the correct answer

1. In the figure, if \(∠DAB = 60^°\), \(∠ABD = 50^°\), then \(∠ACB\) is equal to: 
YCIND_240409_6095_10.png
 
2. \(ABCD\) is a cyclic quadrilateral such that \(AB\) is a diameter of the circle circumscribing it and \(∠ADC = 140^°\), then \(∠BAC\) is equal to
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