Answer:
180= 2x + 37 + 67 + 90
2x = 180 - 37 - 67 - 90
2x = -14
X= -7
A = -7 + 37 = 30
-7 + 67 = 60
30 + 60 + 90 = 180°
3.7m questions
4.8m answers