Respuesta :

Answer:

? =  31 degrees

Step-by-step explanation:

20 + 35 + _ = 180

20 + 35 + 125 = 180

180 -156 = 24

24 + 125 + _ = 180

24 + 125 + 31 = 130

pretty sure it’s 31 degrees! have a good day and stay safe