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.
The answer is A. y = [x] -2
Answer:
67
Step-by-step explanation:
its not a 90!!! tilt your screen.
