Question

descubra o valor de x​

Answer 1

a)

x + 50 + 30 = 180

x = 100°

b)

x + 60 + 75 = 180

x = 45°

c)

x + 40 + 90 = 180

x = 50°

d)

180 - 120 = 60

x + 50 + 60 = 180

x = 70°