Question

a) 30

b) 60

c) 120

d) 150​

Answer 1

Explicação passo-a-passo:

x / 2 + x / 4 + x + x + 30 = 360

x / 2 + x / 4 + 2x = 360 - 30

x / 2 + x / 4 + 2x = 330

2x + x + 8x = 1320

11x = 1320

x = 1320 / 11

x = 120°