Answer:
x = 111°
Step-by-step explanation:
180 - 65 = 115
180 - 106 = 74
180 - 78 = 102
360 = 115 + 74 + 102 + ?
360 = 291 + ?
? = 360 - 291
? = 69
x = 180 - ?
x = 180 - 69
hopefully this helps
