Question

gente por favor me ajudem a resolver esses cálculos Pleasee​

Answer 1

A)é um ângulo de 90º,então 50+2x=90

2x=40

X=20

C)x+10+x-20=90

2x-10=90

2x=100

X=50

E)2x+120=180

2x=60

X=30

G)x+40=120

X=80

B)x+60=90

X=30

D)x/2+60=90

X/2=30

X=60

F)x-30+2x+30=180

3x=180

X=60

H)5x-60=3x+20

2x=80

X=40