Question

determine as medidas de x e y

Answer 1

a) 48+y=180  y= 132
   x+y=180 x+132=180 x=48

b)2y+50 =180 2y=130 y=65
  x=y x=65

c)2x+40=4x+30  2x=70 x=35
  2x+40+y=180 70+40+y=180 y=180-110 y=70