Respuesta :

1.75
2.15
3.105
4.90
these are the answers

Angle 2 would also be 75 degrees. 
75+75 = 150
150 + 90 = 240
240 + 75 = 316
360 - 316 = 44

Angle 1 = 75 degrees.
Angle 2 = 75 degrees  Angle 3 = 150 Angle 4 = 90