Question

va rog urgent
dau coroanaa

Answer 1

a)2x+25=145
2x=120
x=60
b) 140=45+x
x=95
140=2y+20
2y=120
y=60

Answer 2

a) 2x+25° = 145° (unghiuri corespondente) ; 2x = 145°-25° = 120° ; x = 120°/2 = 60° ;

b) x+45° = 140° (unghiuri opuse la varf) ; x = 140°-45° = 95° ;

2y+20° = 140° (unghiuri corespondente) ; 2y = 140°-20° = 120° ; y = 120°/2 = 60° ;