7. Calculate the interior angles of parallelogram

In the following parallelogram \(ABCD\), \(x = 40°\) and \(y = 21°\). Calculate \(∠DAC\) and \(∠BAC\).
 
EX_14_1.png
 
1. \(∠DAC\) \(=\) \(°\).
 
2. \(∠BAC\) \(=\) \(°\).
 
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