Question

me ajudaaa gente pfvrzinhoo​

Answer 1

Resposta:

x/2 + 30 + 5x - 15 = 180

x/2 + 5x = 180 - 30 + 15

x/2 + 10x/2 = 165

11x/2 = 165

11x = 165 * 2

11x = 330

x = 330 / 11

x = 30º