21. Find the measures of the numbered angles.
![21 Find the measures of the numbered angles class=](https://us-static.z-dn.net/files/d48/8b947c2b8f23984ce75c7c0a37064b82.png)
Answer:
1: 76°
2: 76°
3: 104°
4: 76°
Step-by-step explanation:
1: 76°
2: 76°
3: 104°
4: 76°