Respuesta :

Answer:

Subtract everything from 180. The square boxes represent 90°.

1. 180-80-40 = 60°

2. 180-90-32 = 58°

3. 180-45-90 = 45°

4. 180-90-78 = 12°

5. 180-90-15 = 75°

6. 180-55-25 = 100°

7. 180-90-36 = 54°

8. 180-90-30 = 60°

9. 180-60-30 = 90°

Hope this helped :)

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