Find the value of a. Then find the angle measures of the quadrilateral.
a=_
The angle measures from least to greatest are _∘, _∘, _∘, and _∘
![Find the value of a Then find the angle measures of the quadrilateral a The angle measures from least to greatest are and class=](https://us-static.z-dn.net/files/d5a/86e5cd7facfafa0c09a5883fee3f0ffc.png)