Question

me ajuda nao entendi nada

Answer 1

a) 35 + 25 + x = 180
x = 180 - 60
x = 120

b) x + 55 + 90 = 180
x = 180 - 145
x = 35

c) x + 35 + 20 + 45 = 180
x = 180 - 100
x = 80

d) x + 10 + x + 30 + x = 180
3x = 180 - 40
x = 140/3
x = 46,6