Which pair of angles are complementary but not adjacent? A vertical line comes out of a horizontal line. A diagonal line goes through the 2 lines to form 5 angles. From top left, clockwise, the angles are 2 (90 degrees), 1, 5, 4, 3. Angle 1 and Angle 5 Angle 1 and Angle 3 Angle 4 and Angle 1 Angle 4 and Angle 5