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Determine the value of \(x\) and \(y\) in the following figures.
In the following triangle \(ABC\), \(m = 100°\).
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1. The value of angle \(∠A\) is\(°\).
In the following figure \(DEF\), \(m =\) 142\(°\).
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2. The measure of angle \(x\) is\(°\).
3. The measure of angle \(y\) is\(°\).