Question

can someone help me, please
the last is m angle 12=.

Answer 1

1. <7 = 65°

2. <4 = 115°

3. <6 = 115°

4. <1 = 65°

5. <16 = 60°

6. <18 = 60°

7. <21 = 120°

8. <10 = 55°

9. <11 = 125°

10. <12 = 55°