Respuesta :
Answer:
x = 13
Angle 1 = 150 degrees
Angle 8 = 30 degrees
Step-by-step explanation:
11x + 7 + x + 17 = 180
12x + 24 = 180
12x = 180 - 24
12x = 156
x = 13
11(13) + 7 = 150
(13) + 17 = 30
Answer:
x = 13
Angle 1 = 150 degrees
Angle 8 = 30 degrees
Step-by-step explanation:
11x + 7 + x + 17 = 180
12x + 24 = 180
12x = 180 - 24
12x = 156
x = 13
11(13) + 7 = 150
(13) + 17 = 30