Question

1)calcule o valor de x nos triângulos abaixo: a) 2x=40°+30°
B)3x=70°+50°

Answer 1

a) 2x=70°

x=70°÷2

x=35°

b)3x=120°

x=120°÷3

x=40°

Answer 2

2x=40°+30°
x=40+30/2
x= 70/2
x= 35°