Question

1) Determine o valor de x em cada caso: a) 34° c) X 70° 110° b) r 140° rlls rlls x Х S S​

Answer 1

a) 56°

b) 70°

c) 110°

d) 140°

_____________

a) 34 + x = 90

→ 90 - 34 = 56

b) 110 + x = 180

→ 180 - 110 = 70

c) x + 70 = 180

→ 180 - 70 = 110

d) 140 = x, logo xis vale 140.