Question

observe as figuras abaixo e calcule o valor x

Answer 1

a)50 + 30 + x = 180
80 + x = 180
x = 180 - 80
x = 100

b)50 + 65 + x = 180
115 + x = 180
x = 180 - 115
x = 65

c)60 + 75 + x = 180
135 + x = 180
x = 180 - 135
x = 45