Answer:
The first one is 52°
The second one is 52°
The third one is 128°
Step by step Explanation
1 is 128°, so 4 is also 128°. 128 + 128 is 256°, the final number we have to get to is 360°, so subtract 256 from 360, which would be 104, and divide that by two to get 52°, so all of the angles would add up to 360°.