Let's draw adjacent angles by protractor whose measurements are $35°, 45°$.

Let's draw adjacent angles by protractor whose measurements are $18°, 42°$.

Let's draw adjacent angles by protractor whose measurements are $32°, 90°$.

Let's draw adjacent angles by protractor whose measurements are $73°, 63°$.

Find the value of $x°$.

Let's write how are the line segment $OA$ and $OE$ situated in the given figure.