Step-by-step explanation:
x+100°=180°{being straight angle}
x=180-100
x=80°
again,
45°+x+y=180°{sum of angle of triangle}
45+80+y=180
y=180-125°
y=55°
hope it helps.
Answer:
65
Step-by-step explanation:
I think. hope this hepls
Answer:
0 (zero)
Step-by-step explanation:

Answer:Bote
Step-by-step explanation: both