Question

calcule a medida em graus.​

Answer 1

Vamos là.

a)

x + 35 + 85 = 180

x + 120 = 180

x = 60°

b)

90 + 60 + x = 180

x + 150 = 180

x = 30°

c)

x + 35 + 45 = 180

x + 80 = 180

x = 100°

d)

73 + 35 + x = 180

x + 108 = 180

x = 72°

e)

90 + 55 + x = 180

x + 145 = 180

x = 35°

f)

x = 100 + 30 = 130°