1. Which of the following is a pair of vetical angles?
A. Angle 1 & angle 2
B. Angle 1 & angle 4
C. Angle 1 & angle 3
D. None of the above
2. How many angles are adjacent to angle 1?
A. 0
B. 1
C. 2
D. 3
3. If angle 2 measures 47°, what is the measure of angle 4?
A. 43°
B. 47°
C. 90°
D. 133°
