ANSWER:
Angle 1 = Angle 4 (vertically opposite angles)
Angle 1 = Angle 5 (as angle 1 is 90 degrees then angle 5 will be 90 degree too as it makes a linear pair with angle 1)
So,the answer is angle 4 and angle 5
HOPE IT HELPS!!!!!
PLEASE MARK BRAINLIEST!!!!!
