Question

Calcule o valor de x :
A)60°=x
B)130°=x
C)3x=120°
D)x=50°
E)70°=x+20°
F)x+20°=2x-60°

Answer 1

Resposta:

A)x=60°

B)x=130°

C)x=40°

D)x=50°

E)x=50°

F)x=80°