Answer:
27 degrees.
Step-by-step explanation:
Please kindly check the attached file
1. 8 + 13 = 13 + 8.
2. 6 + ( 12 + 4) = 6 + ( 4 + 12).
14) x = 30°
15) x = 50°
14) 60 + x = 90
x = 90 - 60
x = 30°
15) 130 + x = 180
x = 180 - 130
x = 50°
Hope this helps
