angle 2 = 36° (option B)
Explanation:The angles in each of the edges is equal to 90 degrees
Angle 4 = 54 degrees
Angle 1 and angle 4 are alternate angles
Alternate angles are equal.
Angle 1 = Angle 4
Angle 1 = 54 degrees
Since the angle at the edge = 90 degrees:
Angle 1 + angle 2 = 90 degrees
54 + angle 2 = 90 degrees
subtract 54 from both sides:
54 - 54 + angle 2 = 90 - 54
0 + angle 2 = 36°
angle 2 = 36° (option B)