Question

em cada item determine o valor de x

Answer 1

a) x + 90 + 45 = 180
x = 180 - 135
x = 45

b) x + 60 + 38 = 180
x = 180 - 98
x = 82

c) x + x + x = 180
x = 180/3
x = 60

d) x + x + 1 + x + 2 = 180
x + x + x = 180 - 3
3x = 177
x = 177/3
x = 59