Answer:
5. ∠1 = 75.5°
∠2 = 75.5°
6. ∠1 = 56°
∠2 = 124°
7. ∠1 = 60°
∠2 = 120°
8. ∠1 = 59°
11. ∠1 = 99°
12. ∠2 = 25°
Explanation:
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