Answer:
1. a = 90 - 28 = 62°
2. b = 90 - 47 = 43°
3. c = 180 - 70(2) = 40°
4. d = 90 - 67 = 23°
5. e = 180/3 = 60°
6. f = (180 - 115)/2 = 32.5°
7. g = 90 - 61 = 29°
Step-by-step explanation:
