Answer:
- 75°
- 56°
- 124°
- 41°
Step-by-step explanation:
∠1 is complementary to 15°, so is 90° -15° = 75°
∠2 completes the triangle with angles 49° and 75°, so is 180° -49° -75° = 56°
∠3 is supplementary to ∠2, so is 180° -56° = 124°
∠4 is complementary to 49°, so is 90° -49° = 41°
