Answer:
2x + 17 + 5x + 10 + 4x + 10 = 180
11x + 37 = 180
11x = 143
x = 13
K = 2(13) + 17 = 26 + 17 = 43°
B = 4(13) + 10 = 52 + 10 = 62°
N = 5(13) + 10 = 65 + 10 = 75°
9.5m questions
12.2m answers