Question

I don’t get this can someone plz help fast

Answer 1

2. 180-115 = 65

3. angle = 90-37 = 53

4. angle = 90 - 15 = 75

5. angle = 90-43 = 47

6. 109+71 = 180 = S

7. 19+71 = 90 = C

8. 89+1 = 90 = C

9. 34+56 = 90 = C

10. 75+75 = 150 = N

11. 16+74 = 90 = C

12. 90+90 = 180 = S

13. 65+115 = 180 = S

Hope this helps